CN212658775U - Device for detecting thermal protector - Google Patents

Abstract

The utility model discloses a device for hot protector detects, include: base, detection contact pin, coupling assembling, first cylinder, link and second cylinder, the cylinder body of first cylinder is installed in the upper surface of base, and the output of first cylinder is connected in the link, the output of second cylinder is installed in the upper surface of base, coupling assembling connects in the link, detect the contact pin and connect on coupling assembling, set up the first through-hole that supplies to detect the contact pin lower extreme and pass on the base. The utility model discloses a device for hot protector detects, compact structure is ingenious, and each part sets up rationally, is favorable to hot protector's detection.

Description

Device for detecting thermal protector

Technical Field

The utility model relates to a device for hot protector detects.

Background

In the prior art, the thermal protector 1, as a thermistor component, generally needs to be tested before leaving the factory, and when testing whether it is qualified, the testing is generally performed manually, the testing pen point of a resistance testing instrument is inserted into the insertion hole 11 of the thermal protector 1 to contact with a contact point in the hole, the resistance of the thermal protector is judged by the instrument, and whether the qualified requirement is met is judged by the detected resistance, so that the manual testing mode is inefficient, and there is room for improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device for thermal protector detects can utilize the cooperation of each part for thermal protector's high efficiency detects, improves production efficiency.

Apparatus for thermal protector detection, comprising: base, detection contact pin, coupling assembling, first cylinder, link and second cylinder, the cylinder body of first cylinder is installed in the upper surface of base, and the output of first cylinder is connected in the link, the output of second cylinder is installed in the upper surface of base, coupling assembling connects in the link, detect the contact pin and connect on coupling assembling, set up the first through-hole that supplies to detect the contact pin lower extreme and pass on the base.

Through adopting above-mentioned technical scheme, the second cylinder can drive the part on base and the base and make holistic reciprocating, makes the base remove the upper surface of thermal protector to utilize reciprocating of first cylinder output, through link, coupling assembling's connection, drive and detect the contact pin and remove, utilize to detect the contact that inserts to the jack in the thermal protector, make the convenient high efficiency of follow-up detection.

As a further improvement, the connecting frame includes the plumb portion and the horizontal portion that are connected, and the horizontal portion of connecting frame is connected in the output of first cylinder, and the plumb portion of connecting frame is connected in coupling assembling. By adopting the technical scheme, the connecting frame is in an inverted L shape, the space at the upper part of the base is reasonably utilized, and the structural layout of the whole detection device is ingenious and compact.

As a further improvement of the utility model, the first cylinder is located between plumb portion and the second cylinder, the plumb portion is located between coupling assembling and the first cylinder. Through adopting above-mentioned technical scheme, coupling assembling is in the one side of keeping away from first cylinder of plumb portion, has rationally utilized the structural feature of link itself, makes overall structure compact, does not hinder the operating space who detects the contact pin yet for each part installation is convenient.

As a further improvement, the coupling assembling includes first connecting block and second connecting block, and the side of first connecting block is connected in the plumb portion of link, and the second connecting block is connected in the upper surface of first connecting block, has seted up the second through-hole that holds the detection contact pin on the first connecting block, has seted up the third through-hole that holds the detection contact pin on the second connecting block. Through adopting above-mentioned technical scheme, be favorable to detecting the installation of contact pin, the setting of each through-hole on first connecting block and the second connecting block is favorable to protecting detecting the contact pin on the one hand, and on the other hand makes to detect the contact pin and does not occupy exterior space, and has rationally utilized the inner space of each connecting block structure itself.

As a further improvement of the utility model, the detection contact pin comprises a first shaft part, a flange part and a second shaft part, the upper end of the flange part is connected with the lower end of the first shaft part, the upper end of the second shaft part is connected with the lower end of the flange part, the upper end of the first shaft part is used for an external lead, the lower end of the second shaft part is used for inserting into the plug hole of the thermal protector, the cross sectional dimension of the second shaft part is smaller than that of the first shaft part, the cross sectional dimension of the first shaft part is smaller than that of the flange part, the second through hole is a stepped hole with a large upper part and a small lower part, the shape of the third through hole is adapted to the cross sectional outer edge shape of the first shaft part, the shape of the upper large hole of the second through hole is adapted to the cross sectional outer edge shape of the flange part, one end of the spring is connected to the lower surface of the second connecting block, and the other end is connected to the upper surface of the flange portion. Through adopting above-mentioned technical scheme, be favorable to detecting the reliable contact thermal protection of contact pin when by the check point, because of the setting of spring and each through-hole for it is portable to detect the contact pin, and does not lead to the fact destruction to detecting contact pin and thermal protector, and after detecting the completion, detects the contact pin and under the effect of spring, can resume initial position.

As a further improvement, the side of base is connected with the direction subassembly, and the direction subassembly includes first guide block and second guide block, and first guide block is located the leading flank and/or the trailing flank of base, and the second guide block is located the left surface of base, and the lower part of first guide block and second guide block all is provided with the inclined plane that is used for the direction. Through adopting above-mentioned technical scheme, the setting of direction subassembly for the base is when contact thermal protector, and the predetermined position under the thermal protector can get into the base reliably.

As a further improvement, first guide block includes preceding guide block and back guide block, preceding guide block and back guide block are the symmetry setting for the base, and the inclined plane on the preceding guide block is for setting up in the back inclined plane that heels of preceding guide block lower part, and the inclined plane on the back guide block is for setting up in the preceding inclined plane that heels of back guide block lower part, and the inclined plane on the second guide block is for setting up in the right side inclined plane of second guide block lower part, the cross sectional dimension at the position that sets up the inclined plane on preceding guide block, back guide block and the second guide block all reduces from the top down gradually. Through adopting above-mentioned technical scheme, the concrete structure of each guide block for it is more steady reliable to the direction of hot protector.

As a further improvement, the detection contact pin and the first through hole are two, the lower surface of the base has upwards been seted up the first recess of rectangular shape, installs the elastic component in the first recess, and first recess is in between the position of two first through holes. Through adopting above-mentioned technical scheme, the setting of first recess is favorable to holding the elastic component for the base can reliably paste hot protector.

As a further improvement of the utility model, the elastic element is a spring or a bent reed protruding downwards. Through adopting above-mentioned technical scheme, the concrete structure setting of elastic component, but the variation. After the detection is finished, the elastic piece is favorable for falling off of the thermal protector, and the thermal protector cannot be carried upwards by the base.

As a further improvement, the base and the connecting component are made of insulating materials, and the detection contact pin is made of conductive materials. Through adopting above-mentioned technical scheme, detect the external wire of contact pin, can adopt electrically conductive material, base and coupling assembling can adopt insulating material, do not interfere the testing result who detects the contact pin.

Compared with the prior art, the utility model discloses the beneficial effect who possesses has at least: through the arrangement and the cooperation of all parts, the detection of the thermal protector is efficient and convenient, and the popularization and the application are facilitated.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is a schematic structural diagram of an apparatus for thermal protector detection and a thermal protector according to an embodiment of the present invention;

FIG. 2 is a partial schematic view of the thermal protector testing apparatus of FIG. 1 and another angle of the thermal protector;

FIG. 3 is an exploded view of the thermal protector and the apparatus for thermal protector detection of FIG. 1;

FIG. 4 is a schematic view of the thermal protector detection apparatus of FIG. 1 and an exploded view of the thermal protector from another angle;

fig. 5 is a schematic cross-sectional view of a first connection block of an apparatus for thermal protector detection according to an embodiment of the present invention.

In the figure: the thermal protector comprises a thermal protector 1, a base 2, a first guide block 3, a detection pin 4, a second guide block 5, a first connecting block 6, a second connecting block 7, a first cylinder 8, a connecting frame 9, a second cylinder 10, a plugging hole 11, a reed 12, a longitudinal section 21, a transverse section 22, a second groove 23, a third groove 24, a first groove 25, a first through hole 26, a rear guide block 31, a front guide block 32, a first shaft 41, a flange 42, a second shaft 43, a fourth through hole 61, a second through hole 62, a fifth through hole 63, a fifth groove 64, a sixth through hole 71, a third through hole 72, a vertical part 91 and a transverse part 92.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following buckling drawings and preferred embodiments are described in detail below with reference to the following detailed description of the embodiments, structures, features and effects of the present invention.

In the description of the present application, it is to be understood that the terms "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the indicated orientations and positional relationships based on the orientation shown in the drawings for convenience in describing the application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and are not to be considered limiting of the application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In order to more clearly explain the positional relationship of the respective members, "up", "down", "left" and "right" in the present application take up, down, left and right as shown in fig. 1 as examples. In the present application, "front" refers to a direction toward a side where an observer is present, and "rear" refers to a direction away from the side where the observer is present, taking fig. 1 as an example. The orientation in the present application does not represent the only limitation of the protection range, and does not affect the protection range substantially claimed in the present application in the case of changing the observation angle or the orientation. The lateral direction and the longitudinal direction refer to directions within a horizontal plane, the lateral direction refers to the left-right direction shown in fig. 1, the longitudinal direction refers to the front-rear direction, and the vertical direction refers to a direction perpendicular to a horizontal plane.

Examples

Referring to fig. 1 to 5, an apparatus for thermal protector detection includes: base 2, detect contact pin 4, coupling assembling, first cylinder 8, link 9 and second cylinder 10, the cylinder body of first cylinder 8 is installed in the upper surface of base 2, the output of first cylinder 8 is connected in link 9, the output of second cylinder 10 is installed in the upper surface of base 2, coupling assembling connects in link 9, detect contact pin 4 and connect on coupling assembling, set up the first through-hole 26 that supplies to detect contact pin 4 lower extreme and pass on the base 2. The test pin 4 may be wired to the test instrument.

As shown in fig. 1 and 2, a guide assembly is connected to a side surface of the base 2, the guide assembly includes a first guide block 3 and a second guide block 5, the first guide block 3 is located on a front side surface and/or a rear side surface of the base 2, the second guide block 5 is located on a left side surface of the base 2, and inclined surfaces for guiding are provided on lower portions of the first guide block 3 and the second guide block 5. The lower end of each guide block protrudes out of the lower surface of the base 2. The inclined surfaces may contact side surfaces of the thermal protector to guide. Of course, if the position of the thermal protector is just right, the inclined surfaces need not contact the side surfaces of the thermal protector.

As shown in the figures 2 and 3, respectively, fig. 4, the first guide block 3 includes a front guide block 32 and a rear guide block 31, the front guide block 32 and the rear guide block 31 are plate-shaped structures, the front guide block 32 and the rear guide block 31 are symmetrically disposed with respect to the base 2, an upper portion of the front guide block 32 is rectangular, a lower portion of the front guide block 32 is a guide portion, the guide portion protrudes downward from a left side of a lower portion of the front guide block, an inclined surface on the front guide block 32 is a rear side inclined surface disposed on a lower portion of the front guide block, an upper portion of the rear guide block 31 is rectangular, a lower portion of the rear guide block 31 is a guide portion, the guide portion protrudes downward from a left side of a lower portion of the rear guide block, an inclined surface on the rear guide block 31 is a front side inclined surface 311 disposed on a lower portion of the rear guide block, an inclined surface on the second guide block 5 is a right side inclined surface 51 disposed on a lower portion of the second guide block, and cross-sectional dimensions of portions of the inclined surfaces on the front guide block 32.

Referring to fig. 3 and 4, the base 2 is a substantially T-shaped plate structure, and includes a transverse section 22 and a longitudinal section 21, the longitudinal section 21 is connected to a right end of the transverse section 22, an output end of the second cylinder 10 is mounted on an upper surface of the longitudinal section of the base 2, and a cylinder body of the first cylinder 8 is mounted on an upper surface of the transverse section 22. The lower side surface of the transverse section 22 is provided with a first groove 25 for mounting an elastic piece, the front side surface of the transverse section 22 is provided with a second groove 23 for mounting a front guide block 32, the left side surface of the transverse section 22 is provided with a third groove 24 for mounting a second guide block 5, and the rear side surface of the transverse section is provided with a fourth groove for mounting a rear guide block 31. The arrangement of each groove is beneficial to the installation and the positioning of each guide block or each elastic piece.

Referring to fig. 3 and 4, the connecting frame 9 includes a vertical portion 91 and a horizontal portion 92 connected to each other, the horizontal portion is a plate-shaped structure, the vertical portion is a plate-shaped structure, the connecting frame 9 is L-shaped, the horizontal portion 92 of the connecting frame 9 is connected to the output end of the first cylinder 8, and the vertical portion 91 of the connecting frame 9 is connected to the connecting assembly. The first cylinder 8 is located between the vertical portion 91 and the second cylinder 10, and the vertical portion 91 is located between the connection member and the first cylinder 8.

Referring to fig. 3, fig. 4 and fig. 5, the connecting assembly includes a first connecting block 6 and a second connecting block 7, the side of the first connecting block 6 is connected to the vertical portion 91 of the connecting frame, the second connecting block 7 is connected to the upper surface of the first connecting block 6, a second through hole 62 for accommodating the detection pin 4 is provided on the first connecting block 6, the second through hole 62 is arranged along the vertical direction, and a third through hole 72 for accommodating the detection pin 4 is provided on the second connecting block 7. The right side surface of the first connecting block 6 is provided with a fifth groove 64 for connecting the plumb part 91, the first connecting block 6 is provided with a fourth through hole 61 along the transverse direction, and a fastener can be penetrated in the fourth through hole to be connected to the plumb part 91. The first connecting block 6 is provided with a fifth through hole 63 along the vertical direction so as to be opposite to the sixth through hole 71 on the second connecting block 7, so that the first connecting block and the second connecting block can be connected by the fastening piece conveniently. There are two sixth through holes 71, and the third through hole 72 is located between the two sixth through holes 71.

Referring to fig. 3, 4 and 5, the detection pin 4 includes a first shaft portion 41, a flange portion 42 and a second shaft portion 43, an upper end of the flange portion 42 is connected to a lower end of the first shaft portion 41, an upper end of the second shaft portion 43 is connected to a lower end of the flange portion 42, an upper end of the first shaft portion 41 is used for externally connecting a lead, a lower end of the second shaft portion 43 is used for inserting into the insertion hole 11 of the thermal protector 1, a cross-sectional size of the second shaft portion 43 is smaller than a cross-sectional size of the first shaft portion 41, a cross-sectional size of the first shaft portion 41 is smaller than a cross-sectional size of the flange portion 42, the second through hole 62 is a stepped hole with a large upper portion and a small lower portion, a shape of the third through hole 72 is adapted to a cross-sectional outer edge shape of the first shaft portion 41, a shape of an upper large hole of the, the outer wall of the first shaft portion 41 is fitted with a spring, one end of which is connected to the lower surface of the second connecting block 7 and the other end of which is connected to the upper surface of the flange portion 42. The lower end of the second shaft portion 43 has a chamfer or rounded corner to facilitate smooth insertion into the socket hole. The spring can be the pressure spring for detect the contact pin and have decurrent effort, when detecting the contact in the contact pin runs into the hot protector, detect the contact pin and have certain resilience space, do not lead to destroying and detect contact pin itself or contact structure, and can make both contacts firm, and the spring then is favorable to detecting the reseing of contact pin.

As shown in fig. 2 and 4, the number of the detection pins 4 and the number of the first through holes 26 are two, the lower surface of the base 2 is provided with a first elongated groove 25, an elastic member is installed in the first groove 25, and the first groove 25 is located between the two positions of the first through holes 26.

Referring to fig. 2, 3 and 4, the spring 12 is a bent spring 12 protruding downward from the elastic member, the right end of the spring 12 is horizontal and is connected to the first groove 25 by a fastening member, and the protruding bent portion of the spring 12 protrudes from the lower surface of the base 2 and can be used for contacting the upper surface of the thermal protector. In other embodiments, the resilient member may be a spring, such as a cylindrical spring. After the detection is finished, the elastic piece is favorable for falling off of the thermal protector, and the thermal protector cannot be carried upwards by the base.

Base 2 and coupling assembling's material is insulating material, and the material that detects contact pin 4 is electrically conductive material.

During the use, second cylinder 10 can drive the part on base 2 and the base and make holistic reciprocating, make base 2 remove the upper surface of thermal protector 1, and utilize reciprocating of 8 outputs of first cylinder, through the connection transmission of link 9 and coupling assembling, it removes to drive detection contact pin 4, utilize detection contact pin 4 to contact the contact in spliced eye 11 on the thermal protector 1, through the external instrument of being connected with detection contact pin wire, judge the resistance of thermal protector 1, if resistance is in predetermineeing the within range, then be qualified. The scheme of this application can make follow-up hot protector's qualified convenient high efficiency that detects.

The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, but the present invention is not limited to the above embodiments, and any person skilled in the art can make some changes or modifications to the equivalent embodiments of the equivalent changes within the technical scope of the present invention without departing from the technical scope of the present invention, but any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the technical scope of the present invention.

Claims (10)

1. Apparatus for thermal protector detection, comprising: base (2), detection contact pin (4), coupling assembling, first cylinder (8), link (9) and second cylinder (10), the cylinder body of first cylinder (8) is installed in the upper surface of base (2), and the output of first cylinder (8) is connected in link (9), the output of second cylinder (10) is installed in the upper surface of base (2), coupling assembling connects in link (9), detect contact pin (4) and connect on coupling assembling, set up first through-hole (26) that supply detection contact pin (4) lower extreme to pass on base (2).

2. A device for thermal protector testing according to claim 1, characterized in that the connection frame (9) comprises a vertical portion (91) and a transverse portion (92) connected, the transverse portion (92) of the connection frame (9) being connected to the output end of the first cylinder (8), the vertical portion (91) of the connection frame (9) being connected to the connection assembly.

3. A device for thermal protector detection as defined in claim 2, characterised in that the first cylinder (8) is located between a plumb (91) and the second cylinder (10), the plumb (91) being located between the connection assembly and the first cylinder (8).

4. The device for detecting the thermal protector according to claim 2 or 3, wherein the connecting component comprises a first connecting block (6) and a second connecting block (7), the side surface of the first connecting block (6) is connected to the vertical part (91) of the connecting frame, the second connecting block (7) is connected to the upper surface of the first connecting block (6), the first connecting block (6) is provided with a second through hole (62) for accommodating the detection contact pin (4), and the second connecting block (7) is provided with a third through hole (72) for accommodating the detection contact pin (4).

5. The device for thermal protector detection according to claim 4, wherein the detection pin (4) includes a first shaft portion (41), a flange portion (42), and a second shaft portion (43), an upper end of the flange portion (42) is connected to a lower end of the first shaft portion (41), an upper end of the second shaft portion (43) is connected to a lower end of the flange portion (42), an upper end of the first shaft portion (41) is used for external connection of a lead wire, a lower end of the second shaft portion (43) is used for insertion into the insertion hole (11) of the thermal protector (1), a cross-sectional dimension of the second shaft portion (43) is smaller than a cross-sectional dimension of the first shaft portion (41), the cross-sectional dimension of the first shaft portion (41) is smaller than the cross-sectional dimension of the flange portion (42), the second through hole (62) is a stepped hole having a large upper portion and a small lower portion, and a shape of the third through hole (72) is, the shape of the upper large hole of the second through hole (62) is matched with the shape of the outer edge of the cross section of the flange part (42), the shape of the lower small hole of the second through hole (62) is matched with the shape of the outer edge of the cross section of the second shaft part (43), the outer wall of the first shaft part (41) is sleeved with a spring, one end of the spring is connected to the lower surface of the second connecting block (7), and the other end of the spring is connected to the upper surface of the flange part (42).

6. A device for thermal protector detection according to claim 1, characterized in that a guide assembly is connected to a side of the base (2), the guide assembly comprises a first guide block (3) and a second guide block (5), the first guide block (3) is located at a front side and/or a rear side of the base (2), the second guide block (5) is located at a left side of the base (2), and inclined surfaces for guiding are arranged at lower portions of the first guide block (3) and the second guide block (5).

7. The device for thermal protector detection according to claim 6, wherein the first guide block (3) includes a front guide block (32) and a rear guide block (31), the front guide block (32) and the rear guide block (31) are symmetrically disposed with respect to the base (2), the inclined surface on the front guide block (32) is a rear side inclined surface disposed at a lower portion of the front guide block, the inclined surface on the rear guide block (31) is a front side inclined surface (311) disposed at a lower portion of the rear guide block, the inclined surface on the second guide block (5) is a right side inclined surface (51) disposed at a lower portion of the second guide block, and cross-sectional dimensions of portions of the front guide block (32), the rear guide block (31), and the second guide block (5) where the inclined surfaces are disposed are all gradually reduced from top to bottom.

8. The device for detecting the thermal protector is characterized in that the number of the detection pins (4) and the number of the first through holes (26) are two, the lower surface of the base (2) is provided with a first elongated groove (25) upwards, an elastic member is installed in the first groove (25), and the first groove (25) is located between the positions of the two first through holes (26).

9. A device for thermal protector detection as defined in claim 8 wherein the resilient member is a spring or a downwardly projecting bent spring leaf (12).

10. A device for detecting a thermal protector according to claim 1, 2, 3, 5, 6, 7 or 9, wherein the base (2) and the connecting component are made of insulating materials, and the detecting pin (4) is made of conductive materials.

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