CN219562361U - Protection mechanism - Google Patents

Abstract

The utility model discloses a protection mechanism, comprising: the shell is provided with a containing cavity, two opposite sides of the containing cavity are provided with avoiding ports, the avoiding ports are used for avoiding the machine table component, and the other side of the containing cavity is provided with an inlet and an outlet communicated with the avoiding ports; the opening and closing assembly comprises two protection plates and first elastic pieces, wherein the two protection plates are rotatably arranged in the accommodating cavity and are arranged adjacent to the inlet and the outlet in a symmetrical mode, at least one first elastic piece is arranged between each protection plate and the shell, the first elastic pieces are used for enabling the protection plates to be opened so that the machine platform assembly can be conveniently inserted into the accommodating cavity through the inlet and the outlet, and the protection plates are used for closing the inlet and the outlet after the machine platform assembly is inserted into the accommodating cavity. The protection mechanism protects the periphery of the machine table assembly, effectively prevents liquid in the machine table from splashing on the machine table assembly, avoids liquid from corroding the machine table assembly, and prolongs the service life of the elevator table assembly.

Description

Protection mechanism

Technical Field

The utility model relates to the technical field of component protection, in particular to a protection mechanism.

Background

Typically, a tool assembly, such as a probe, is positioned within the tool to detect the workpiece being processed. However, since the rotary tool and the cutting fluid inside the machining tool collide with each other, the cutting fluid may splash onto the precise main body of the tool assembly, and the cutting fluid may easily erode the precise main body to cause short circuit of the internal circuit of the precise main body or damage of other electrical components, resulting in a reduction in the service life of the tool assembly.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a protection mechanism for protecting the periphery of the platform assembly, preventing liquid from splashing onto the platform assembly, and improving the service life of the platform assembly.

An embodiment of the present utility model provides a protection mechanism for protecting a machine assembly, including: the shell is provided with an accommodating cavity, two opposite sides of the accommodating cavity are provided with avoiding openings, the avoiding openings are used for avoiding the machine table assembly, and the other side of the accommodating cavity is provided with an inlet and an outlet communicated with the avoiding openings; the opening and closing assembly comprises two protection plates and first elastic pieces, the two protection plates are rotatably arranged in the accommodating cavity and are arranged adjacent to the inlet and the outlet in a symmetrical mode, at least one first elastic piece is arranged between each protection plate and the shell, the first elastic pieces are used for enabling the protection plates to be opened so that the machine table assembly can be inserted into the accommodating cavity through the inlet and the outlet, and the protection plates are used for enabling the machine table assembly to be inserted into the accommodating cavity and then closing the inlet and the outlet.

Above-mentioned protection machanism makes the guard plate be in open state in order that the board subassembly inserts through first elastic component before the board subassembly inserts the holding chamber, and after the board subassembly inserts the holding chamber, two guard plates pass through the board subassembly and close the exit to form the protection around the board subassembly with the casing cooperation, effectively prevent that liquid in the board from splashing on the board subassembly, avoid liquid erosion board subassembly, the life of lifting machine board subassembly.

In some embodiments, each protection plate comprises an inner plate, an outer plate and a rotating part, wherein the inner plate is connected with the outer plate and is positioned in the accommodating cavity, the rotating part is positioned at the joint of the inner plate and the outer plate, the protection plate is rotationally connected with the shell through the rotating part, an included angle between the inner plate and the outer plate is an obtuse angle, and the machine assembly is abutted against the inner plates of the two protection plates so that the outer plates of the two protection plates are close to each other to close the inlet and the outlet.

In some embodiments, the first elastic member is a torsion spring, and the first elastic member includes an elastic body, a first torsion leg disposed at one end of the elastic body, and a second torsion leg disposed at the other end of the elastic body, where the elastic body is connected to the rotating portion, the first torsion leg is abutted to the housing, and the second torsion leg is abutted to the inner plate.

In some embodiments, the protection mechanism further includes two rotating shafts, the number of the rotating shafts is two and is set in one-to-one correspondence with the two rotating portions, the rotating shafts are set in the housing, and the rotating portions and the elastic body are sleeved on the corresponding rotating shafts.

In some embodiments, a notch is disposed on each protection plate, the notch passes through the rotation portion and extends to the inner plate and the outer plate respectively, and the elastic body is sleeved on the corresponding rotation shaft and is located in the notch.

In some embodiments, the housing is provided with two protrusions on the wall of the accommodating cavity, the two protrusions are arranged in one-to-one correspondence with the two rotating parts, the protrusions extend into the corresponding notches of the protection plate, and the rotating shaft penetrates through the protrusions so as to rotationally connect the protection plate to the housing.

In some embodiments, the housing includes a first housing and a second housing, the first housing and the second housing enclose to form the accommodating cavity, a side of the first housing facing away from the second housing and a side of the second housing facing away from the first housing are both provided with the avoidance opening, and the first housing and the second housing are detachably connected.

In some embodiments, a first clamping groove is formed in one side, facing the second shell, of the first shell, and at least one first clamping part is formed on the groove wall of the first clamping groove in a protruding mode; the second casing towards one side of first casing be equipped with the second joint groove of first joint groove looks adaptation, the convex second joint portion that is provided with on the cell wall of second joint groove at least one with first joint portion looks adaptation, first casing with the second casing passes through first joint groove first joint portion second joint groove with second joint portion realizes dismantling the connection.

In some embodiments, the protection mechanism further comprises a stop component, the stop component comprises a pull rod, a stop piece and a second elastic piece, a first hole and a second hole which are communicated with each other are formed in the first shell, the first hole is formed in one side of the first shell facing the second shell, the second hole is formed in one side of the first hole facing away from the second shell, the aperture of the first hole is larger than that of the second hole, a third hole which is adaptive to the first hole is formed in one side of the second shell facing the first shell, one end of the pull rod movably penetrates through the first hole and the second hole, the other end of the pull rod is fixedly connected with the stop piece, and the second elastic piece is sleeved on the pull rod, two ends of the second elastic piece respectively support against the top wall of the first hole and the stop piece, so that the stop piece is pushed into the third hole to stop the relative sliding of the first shell and the second shell.

In some embodiments, the stop assembly further comprises a pull handle connected to an end of the pull rod that protrudes out of the second aperture.

Drawings

Fig. 1 is a schematic perspective view of a protection mechanism and a machine assembly according to an embodiment of the present utility model.

Fig. 2 is a schematic perspective view of the protection mechanism shown in fig. 1 when protecting the machine assembly.

Fig. 3 is an exploded view of the guard mechanism shown in fig. 1.

Fig. 4 is a schematic view of another angular exploded construction of the shielding mechanism shown in fig. 1.

Figure 5 is a cross-sectional view of the guard mechanism of figure 1 taken along v-v.

Description of the main reference signs

Protection mechanism 1

Housing 10

Accommodation chamber 101

Avoidance port 102

Inlet and outlet 103

Projection 104

Contact portion 105

Abutment groove 106

First housing 12

First clamping groove 121

First clamping portion 122

First hole 123

Second hole 124

Fourth hole 125

Second housing 14

Second clamping groove 141

Second clamping portion 142

Third hole 143

Mounting portion 144

Mounting holes 145

Clamping portion 146

Opening and closing assembly 20

Guard plate 22

Inner plate 222

Outer plate 224

Rotation part 226

Notch 228

First elastic member 24

Elastic body 242

First torsion leg 244

Second torsion leg 246

Rotating shaft 30

Stop assembly 40

Pull rod 42

Stop piece 44

Second elastic member 46

Handle 48

Machine table assembly 2

Precision body 202

Detection unit 204

Connection portion 206

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, it is to be noted that the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the two components can be connected in a mechanical mode, can be electrically connected or can be communicated with each other, can be directly connected, can be indirectly connected through an intermediate medium, and can be communicated with each other inside the two components or can be in interaction relation with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Some embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, an embodiment of the present utility model provides a protection mechanism 1, where the protection mechanism 1 is used for protecting a machine assembly 2. Some embodiments provide a machine assembly 2 that may be a probe, where the machine assembly 2 includes a precision main body 202, a detecting portion 204 connected to one end of the precision main body 202, and a connecting portion 206 connected to the other end of the precision main body 202, where a circuit, an electrical element, a power supply, and other precision structures are disposed in the precision main body 202, the detecting portion 204 is used for detecting a signal, the connecting portion 206 is used for connecting with a machine (not shown), and the protection mechanism 1 is mainly used for protecting the precision main body 202 of the machine assembly 2. In other embodiments, the protection mechanism 1 may also protect other objects or connection structures, for example, the connection between the sensor and the machine.

The shielding mechanism 1 includes a housing 10 and an opening and closing assembly 20.

Specifically, the housing 10 is provided with a receiving cavity 101, opposite sides of the housing 10 in the receiving cavity 101 are provided with avoidance ports 102, the two avoidance ports 102 are respectively used for avoiding a detection portion 204 and a connection portion 206 of the machine table assembly 2, and the two avoidance ports 102 are respectively matched with the detection portion 204 and the connection portion 206. The housing 10 is provided with an inlet/outlet 103 communicating with the escape port 102 at the other side of the accommodation chamber 101.

The opening and closing assembly 20 comprises two protection plates 22 and first elastic members 24, the two protection plates 22 are rotatably arranged in the accommodating cavity 101 and are symmetrically arranged adjacent to the inlet and outlet 103, at least one first elastic member 24 is arranged between each protection plate 22 and the shell 10, the first elastic member 24 is used for enabling the protection plates 22 to be opened so that the machine platform assembly 2 can be conveniently inserted into the accommodating cavity 101 through the inlet and outlet 103, and the protection plates 22 are used for closing the inlet and outlet 103 after the machine platform assembly 2 is inserted into the accommodating cavity 101. In an embodiment, the first elastic member 24 is a torsion spring, when the platform assembly 2 is not inserted into the accommodating cavity 101, the protection plates 22 are separated from each other by using the torsion force of the torsion spring so that the protection plates 22 or the inlets and outlets 103 are in an open state, and when the platform assembly 2 is inserted into the accommodating cavity 101 at the inlets and outlets 103, the platform assembly 2 in the accommodating cavity 101 is used for pressing the protection plates 22 so that the protection plates 22 overcome the torsion force of the torsion spring and make the two protection plates 22 approach to close the inlets and outlets 103.

After the platform assembly 2 is inserted into the accommodating cavity 101 at the inlet and outlet 103, the two protection plates 22 are used for closing the inlet and outlet 103, so that the protection mechanism 1 is matched with the shell 10 to form protection on the periphery of the precise main body 202 of the platform assembly 2, liquid in the platform is effectively prevented from splashing onto the precise main body 202 of the platform assembly 2, the precise main body 202 of the platform assembly 2 is prevented from being corroded by the liquid, and the service life of the platform assembly 2 is prolonged.

Referring to fig. 3 and 4, in the embodiment of the utility model, each protection plate 22 includes an inner plate 222, an outer plate 224 and a rotating portion 226, the inner plate 222 is connected with the outer plate 224 and is located in the accommodating cavity 101, the rotating portion 226 is located at a connection position of the inner plate 222 and the outer plate 224, the protection plates 22 are rotationally connected with the housing 10 through the rotating portion 226, an included angle between the inner plate 222 and the outer plate 224 is an obtuse angle, and the platform assembly 2 abuts against the inner plates 222 of the two protection plates 22 so that the outer plates 224 of the two protection plates 22 are close to each other to close the inlet 103. In this way, by arranging the protection plate 22 including the inner plate 222, the outer plate 224 and the rotating part 226, the protection plate 22 is of a bent structure with an obtuse angle, the state of the two protection plates 22 when opened is shown in fig. 1, and the state of the two protection plates 22 when closed is shown in fig. 2, because the included angle between the inner plate 222 and the outer plate 224 of the protection plate 22 is an obtuse angle, the opening between the outer plates 224 of the two protection plates 22 is large, so that the machine assembly 2 is convenient to be inserted between the outer plates 224 of the two protection plates 22, the machine assembly 2 is pushed against the inner plate 222 in the process of inserting the inlet and outlet 103 into the accommodating cavity 101, the corresponding outer plates 224 are driven by the inner plate 222 to be close to each other through the rotating part 226, so that the inlet and outlet 103 is closed, and the effect of closing the inlet and the outlet 103 through the abutting of the machine assembly 2 is realized. In some embodiments, the angle between the inner plate 222 and the outer plate 224 is preferably 135 °, and obviously, the angle between the inner plate 222 and the outer plate 224 may also be 100 °, 110 °, 120 °, 130 °, 140 °, 150 °, and so on.

In the embodiment of the utility model, when the first elastic member 24 is a torsion spring, the first elastic member 24 includes an elastic body 242, a first torsion leg 244 disposed at one end of the elastic body 242, and a second torsion leg 246 disposed at the other end of the elastic body 242, the elastic body 242 is connected to the rotating portion 226, the first torsion leg 244 abuts against the housing 10, and the second torsion leg 246 abuts against the inner plate 222. Thus, by defining the specific structure of the first elastic member 24, the first elastic member 24 pushes the inner panel 222 outwardly with torsion in a natural state, so that the two protection panels 22 are normally open in the natural state; after the platform assembly 2 is inserted into the accommodating cavity 101 at the inlet/outlet 103, the precision body 202 of the platform assembly 2 abuts against the inner plate 222, so that the inner plate 222 is matched with the housing 10 to compress the first elastic member 24, the first elastic member 24 generates a larger torsion force, and the torsion force of the first elastic member 24 cannot push the inner plate 222 to move because the platform assembly 2 is fixed on the platform through the connecting portion 206, and the position of the precision body 202 of the platform assembly 2 in the accommodating cavity 101 is relatively fixed.

In the embodiment of the utility model, the protection mechanism 1 further comprises two rotating shafts 30, the number of the rotating shafts 30 is two, the rotating shafts 30 are arranged in one-to-one correspondence with the two rotating portions 226, the rotating shafts 30 are arranged on the shell 10, and the rotating portions 226 and the elastic main body 242 are sleeved on the corresponding rotating shafts 30. Thus, by providing the rotation shaft 30, the effect of the rotation connection of the rotation portion 226 and the housing 10 is achieved. In some embodiments, the height of the rotating portion 226 may be smaller than the heights of the inner plate 222 and the outer plate 224, and the elastic body 242 may abut against the end of the rotating portion 226, so that the rotating portion 226 and the elastic body 242 are both sleeved on the corresponding rotating shaft 30.

In the embodiment of the present utility model, each protection plate 22 is provided with a notch 228, the notch 228 passes through the rotation portion 226 and extends to the corresponding inner plate 222 and outer plate 224 respectively, and the elastic body 242 is sleeved on the corresponding rotation shaft 30 and is located in the notch 228. In this way, by providing the notch 228 on the protection plate 22, the elastic body 242 is located inside the protection plate 22, so that the separation of the elastic body 242 and the rotating portion 226 is avoided, and the stable use of the opening and closing assembly 20 is ensured.

In the embodiment of the present utility model, the housing 10 is provided with two protrusions 104 on the wall of the accommodating cavity 101, the two protrusions 104 are arranged in one-to-one correspondence with the two rotating parts 226, the protrusions 104 extend into the corresponding notches 228 of the protection plate 22, and the rotating shaft 30 passes through the protrusions 104 to rotationally connect the protection plate 22 to the housing 10. In one embodiment, the resilient body 242 abuts the protrusion 104. In this way, the protruding portion 104 is provided to connect the rotating shaft 30 with the housing 10, and the rotating portion 226 and the elastic body 242 are sleeved on the rotating shaft 30.

In the embodiment of the present utility model, the housing 10 includes a first housing 12 and a second housing 14, where the first housing 12 and the second housing 14 enclose to form a containing cavity 101, and a side of the first housing 12 facing away from the second housing 14 and a side of the second housing 14 facing away from the first housing 12 are both provided with an avoidance port 102, and the first housing 12 and the second housing 14 are detachably connected. Thus, by providing the housing 10 composed of the first housing 12 and the second housing 14 which are detachable, the power supply in the precision main body 202 of the machine assembly 2 can be replaced, repaired or maintained conveniently by detaching the first housing 12 and the second housing 14, and the machine assembly 2 does not need to be taken out from the accommodating cavity 101, thereby being beneficial to improving the maintenance and repair efficiency. The detachable connection of the first housing 12 and the second housing 14 is, for example, a snap connection, a plug connection, an adhesive connection, or the like. The projection 104 is provided on the first housing 12, and obviously, the projection 104 may also be provided on the second housing 14.

In the embodiment of the present utility model, the first housing 12 and the second housing 14 are connected in a detachable manner by clamping, specifically, a first clamping groove 121 is disposed on a side of the first housing 12 facing the second housing 14, and at least one first clamping portion 122 is disposed on a groove wall of the first clamping groove 121 in a protruding manner. The second casing 14 is provided with a second clamping groove 141 corresponding to the first clamping groove 121 on one side facing the first casing 12, at least one second clamping part 142 corresponding to the first clamping part 122 is convexly arranged on the groove wall of the second clamping groove 141, and the first casing 12 and the second casing 14 are detachably connected through the first clamping groove 121, the first clamping part 122, the second clamping groove 141 and the second clamping part 142. In this way, by defining the specific structures of the first housing 12 and the second housing 14, the first housing 12 and the second housing 14 are detachably connected through the clamping connection; in addition, by providing at least one clamping portion on each clamping groove, when the first shell 12 and the second shell 14 are clamped, the first clamping portion 122 and the second clamping portion 142 are inserted in a staggered manner and the first shell 12 and the second shell 14 slide along the extending direction of the first clamping groove 121 or the second clamping groove 141, so that the first shell 12 and the second shell 14 can be clamped, the clamping stroke of the first shell 12 and the second shell 14 is shorter, the clamping effect is good, and the separation is not easy to occur. In some embodiments, the number of the first clamping portions 122 and the second clamping portions 142 is two, and the first clamping portions and the second clamping portions are respectively disposed at two ends of the corresponding clamping groove. In other embodiments, the number of the first clamping portions 122 and the second clamping portions 142 may be more or less, and may be specifically defined according to practical situations.

Referring to fig. 5 in combination, in the embodiment of the utility model, in order to prevent the first housing 12 and the second housing 14 from sliding along the extending direction of the first clamping groove 121 or the second clamping groove 141 and separating, the protection mechanism 1 further includes a stop assembly 40. The stop assembly 40 includes a pull rod 42, a stop member 44 and a second elastic member 46, a first hole 123 and a second hole 124 are formed in the first housing 12, the first hole 123 is disposed on one side of the first housing 12 facing the second housing 14, the second hole 124 is disposed on one side of the first hole 123 facing away from the second housing 14, the aperture of the first hole 123 is larger than that of the second hole 124, a third hole 143 corresponding to the first hole 123 is formed on one side of the second housing 14 facing the first housing 12, one end of the pull rod 42 movably passes through the first hole 123 and the second hole 124, the other end of the pull rod 42 is fixedly connected with the stop member 44, the second elastic member 46 is sleeved on the pull rod 42, and two ends of the second elastic member are respectively abutted against the top wall of the first hole 123 and the stop member 44, so that the stop member 44 is pushed into the third hole 143 to stop the relative sliding of the first housing 12 and the second housing 14. Thus, before the first casing 12 and the second casing 14 are clamped, the pull rod 42 is pulled in a direction away from the second casing 14, the pull rod 42 pulls the stop piece 44 to extend into the first hole 123 and compress the second elastic piece 46 through the stop piece 44, and at this time, the stop piece 44 is not inserted into the third hole 143, so that the first casing 12 and the second casing 14 can slide relatively and be clamped; after the first housing 12 and the second housing 14 are clamped, the pull rod 42 is released, the second elastic member 46 releases elastic force to elastically restore and pushes the stop member 44 downwards, so that the stop member 44 extends into the third hole 143, and the pull rod 42 and the stop member 44 are respectively positioned on the first housing 12 and the second housing 14, so as to prevent the first housing 12 and the second housing 14 from being separated by sliding relatively along the extending direction of the first clamping groove 121 or the second clamping groove 141. When the first housing 12 and the second housing 14 need to be detached, the pull rod 42 is pulled in a direction away from the second housing 14, so that the stop piece 44 extends into the first hole 123, and the first housing 12 and the second housing 14 can be detached. In some embodiments, the second resilient member 46 is a spring.

In the illustrated embodiment, the first hole 123, the second hole 124 and the third hole 143 are circular holes, the third hole 143 corresponds to the first hole 123, meaning that the third hole 143 has the same pore size as the first hole 123, and the third hole 143 corresponds to the first hole 123 after the first housing 12 and the second housing 14 are assembled. Furthermore, in the illustrated embodiment, the third hole 143 is a blind hole, so that the stopper 44 abuts against the bottom wall of the third hole 143 under the elastic action of the second elastic member 46.

In an embodiment of the present utility model, to facilitate pulling of the pull rod 42, the stop assembly 40 further includes a pull handle 48, the pull handle 48 being coupled to an end of the pull rod 42 that extends out of the second aperture 124. Thus, by providing the pull handle 48, pulling the pull rod 42 through the pull handle 48 facilitates pulling the pull rod 42 to facilitate removal of the first housing 12 and the second housing 14.

In an embodiment, after the first housing 12 and the second housing 14 are disassembled, since the stopper 44 loses the stopper, in order to prevent the pull rod 42 from being separated from the first housing 12 downward under the elastic force of the second elastic member 46, the radial dimension of the portion where the pull handle 48 is connected to the pull rod 42 is greater than the radial dimension of the second hole 124, and the radial dimension of the portion where the pull handle 48 is connected to the pull rod 42 is greater than the radial dimension of the second hole 124, so as to prevent the pull rod 42 from being separated from the first housing 12 downward under the elastic force of the second elastic member 46. In some embodiments, the number of the pull rod 42, the stop member 44, the second elastic member 46, the first hole 123, the second hole 124 and the third hole 143 is two, the pull handle 48 is generally U-shaped, the first housing 12 is further provided with two fourth holes 125 connected with the two second holes 124, the connecting portion of the pull handle 48 and the pull rod 42 is matched with the fourth holes 125, and the radial dimension of the fourth holes 125 is greater than the radial dimension of the second holes 124, so that the connecting portion of the pull handle 48 and the pull rod 42 can be embedded in the first housing 12, which is beneficial to reducing the dimension of the protection mechanism 1, so as to facilitate the installation of the protection mechanism 1 in a space with a smaller dimension.

In the embodiment of the present utility model, when the first housing 12 and the second housing 14 are detachably connected to form the housing 10, in order to facilitate installation of the rotating shaft 30 and the opening and closing assembly 20, the second housing 14 is provided with protruding abutment portions 105 on a cavity wall of the accommodating cavity 101, the number of the abutment portions 105 is two and the two rotating shafts 30 are arranged in a one-to-one correspondence manner, each abutment portion 105 is provided with an abutment groove 106, and an extending direction of the abutment groove 106 is the same as an extending direction of the second clamping groove 141. Thus, in assembling the protection mechanism 1, first, one end of the rotation shaft 30 is passed through the rotation portion 226, the protrusion portion 104 and the elastic body 242 and is rotationally embedded in the first housing 12; then, the first and second engaging portions 122 and 142 are inserted with a misalignment, and the other end of the rotating shaft 30 is positioned in the abutment groove 106; then, the first housing 12 and the second housing 14 are clamped, and the other end of the rotating shaft 30 moves in the abutting groove 106, so that interference caused by the rotating shaft 30 in the clamping process of the first housing 12 and the second housing 14 is avoided, and the assembly of the protection mechanism 1 is realized.

In the embodiment of the utility model, the machine assembly 2 is connected to the machine through the connection portion 206, the protection mechanism 1 is also required to be connected to the machine, the side, facing away from the inlet 103, of the second housing 14 is provided with the mounting portion 144, the mounting portion 144 is provided with the mounting hole 145, the end surface, located at the lower side of the inlet 103, of the second housing 14 is provided with the clamping portion 146 protruding downwards, and the clamping portion 146 is approximately L-shaped. The guard mechanism 1 can be engaged with the machine by the engaging portion 146, and the guard mechanism 145 can be fixed to the machine by a member such as a bolt through the mounting hole 145. In this way, the second housing 14 is provided with the mounting portion 144, the mounting hole 145, and the holding portion 146, so that the protection mechanism 1 is connected to the machine through the second housing 14.

According to the protection mechanism 1 provided by the embodiment of the utility model, through the cooperation of the shell 10, the opening and closing assembly 20 and the rotating shaft 30, the periphery of the precise main body 202 of the machine table assembly 2 is protected, so that liquid in the machine table is effectively prevented from splashing on the precise main body 202 of the machine table assembly 2, the precise main body 202 of the machine table assembly 2 is prevented from being corroded by the liquid, and the service life of the machine table assembly 2 is prolonged; in addition, through the detachable connection of the first shell 12 and the second shell 14, the machine assembly 2 is convenient to repair, maintain and maintain, the machine assembly 2 does not need to be taken out from the protection mechanism 1, and the repair, maintenance and maintenance efficiency is improved; by the cooperation of the stop component 40, the first shell 12 and the second shell 14 are connected stably, and the condition of phase separation cannot occur, so that the stable use of the protection mechanism 1 is ensured.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (10)

1. A protective mechanism for protecting a machine assembly, comprising:

the shell is provided with an accommodating cavity, two opposite sides of the accommodating cavity are provided with avoiding openings, the avoiding openings are used for avoiding the machine table assembly, and the other side of the accommodating cavity is provided with an inlet and an outlet communicated with the avoiding openings;

the opening and closing assembly comprises two protection plates and first elastic pieces, the two protection plates are rotatably arranged in the accommodating cavity and are arranged adjacent to the inlet and the outlet in a symmetrical mode, at least one first elastic piece is arranged between each protection plate and the shell, the first elastic pieces are used for enabling the protection plates to be opened so that the machine table assembly can be inserted into the accommodating cavity through the inlet and the outlet, and the protection plates are used for enabling the machine table assembly to be inserted into the accommodating cavity and then closing the inlet and the outlet.

2. The guard mechanism of claim 1, wherein each guard plate comprises an inner plate, an outer plate and a rotating part, the inner plate is connected with the outer plate and is positioned in the accommodating cavity, the rotating part is positioned at the joint of the inner plate and the outer plate, the guard plates are rotationally connected with the shell through the rotating part, an included angle between the inner plate and the outer plate is an obtuse angle, and the machine assembly abuts against the inner plates of the two guard plates so that the outer plates of the two guard plates are close to each other to close the inlet and the outlet.

3. The guard mechanism of claim 2, wherein the first elastic member is a torsion spring, the first elastic member includes an elastic body, a first torsion leg provided at one end of the elastic body, and a second torsion leg provided at the other end of the elastic body, the elastic body is connected to the rotating portion, the first torsion leg is abutted to the housing, and the second torsion leg is abutted to the inner plate.

4. The protection mechanism according to claim 3, further comprising two rotating shafts, wherein the rotating shafts are arranged in a one-to-one correspondence with the two rotating portions, the rotating shafts are arranged on the shell, and the rotating portions and the elastic body are sleeved on the corresponding rotating shafts.

5. The guard mechanism of claim 4, wherein each guard plate has a notch, the notch passes through the rotating portion and extends to the inner plate and the outer plate, respectively, and the elastic body is sleeved on the corresponding rotating shaft and is located in the notch.

6. The guard mechanism of claim 5, wherein the housing has two protrusions on the wall of the accommodating cavity, the protrusions are disposed in one-to-one correspondence with the two rotating parts, the protrusions extend into the corresponding notches of the guard plates, and the rotating shaft passes through the protrusions to rotationally connect the guard plates to the housing.

7. The guard mechanism of claim 1, wherein the housing comprises a first housing and a second housing, the first housing and the second housing enclose to form the receiving cavity, the side of the first housing facing away from the second housing and the side of the second housing facing away from the first housing are both provided with the avoidance opening, and the first housing and the second housing are detachably connected.

8. The protection mechanism according to claim 7, wherein a first clamping groove is formed in one side of the first shell facing the second shell, and at least one first clamping part is formed on the groove wall of the first clamping groove in a protruding mode; the second casing towards one side of first casing be equipped with the second joint groove of first joint groove looks adaptation, the convex second joint portion that is provided with on the cell wall of second joint groove at least one with first joint portion looks adaptation, first casing with the second casing passes through first joint groove first joint portion second joint groove with second joint portion realizes dismantling the connection.

9. The protection mechanism according to claim 8, further comprising a stop assembly, wherein the stop assembly comprises a pull rod, a stop member and a second elastic member, a first hole and a second hole which are mutually communicated are formed in the first shell, the first hole is formed in one side of the first shell, which faces the second shell, the second hole is formed in one side of the first hole, which faces away from the second shell, the aperture of the first hole is larger than that of the second hole, a third hole which is matched with the first hole is formed in one side of the second shell, one end of the pull rod movably penetrates through the first hole and the second hole, the other end of the pull rod is fixedly connected with the stop member, the second elastic member is sleeved on the pull rod, and two ends of the second elastic member respectively prop against the top wall of the first hole and the stop member, so that the stop member is pushed into the third hole to stop the relative sliding of the first shell and the second shell.

10. The guard mechanism of claim 9, wherein the stop assembly further comprises a pull handle coupled to an end of the pull rod that extends out of the second aperture.