CN213505738U - Canned type jack with antivibration dustproof function - Google Patents

Abstract

The utility model discloses a sealed jack with antivibration dustproof function, including shell, screw rod, cushion, slider, height-adjusting nut, dust-proof box, packing ring, the screw rod with the shell passes through threaded connection, the bottom surface of telescopic link with the top surface butt of slider, the one end of screw rod with the slider rotates to be connected, the dust-proof box is the hollow shell of bottom opening, the bottom edge of dust-proof box with the bottom of shell passes through bolt fastening connection; utilize the dust-proof box, locate the dust-proof box with high adjusting nut to reduce in impurities such as dust, concrete slurry enter into the jack, guaranteed the use precision of jack, protected the inside part of jack, also increased the durability of jack, utilize the packing ring, prevented that the cushion from violently vibrating because of the impact of heavy object, thereby reduced the screw rod and taken place the possibility of rotation because of the vibration, make the operation personnel safer when processing the work piece.

Description

Canned type jack with antivibration dustproof function

Technical Field

The utility model relates to a jack technical field especially relates to a canned type jack with antivibration dustproof function.

Background

The jacks are divided into a mechanical jack, a hydraulic jack and the like, and the principles are different. In principle, the most basic principle on which hydraulic transmission is based is the pascal's law, that is, the pressures of all parts of liquid are consistent, so that in a balanced system, the pressure exerted on a smaller piston is smaller, and the pressure exerted on a larger piston is larger, so that the liquid can be kept still, different pressures at different ends can be obtained through the transmission of the liquid, and the purpose of conversion can be achieved;

the screw jack pulls the handle in a reciprocating way, the claw pulls the ratchet wheel to rotate in a clearance way, the bevel pinion drives the bevel pinion to rotate the lifting screw rod, and the lifting sleeve is lifted or descended to achieve the function of lifting tension, but the screw jack is not as simple as a hydraulic jack;

the use principle of the cushion block is the same as that of the screw jack;

however, the conventional screw jack has the following problems:

1. because the height adjusting nut of the jack is exposed in the air, impurities such as dust, concrete slurry and the like in the air can inevitably enter the jack through a gap between the height adjusting nut and the shell, so that the use precision of the jack is reduced, and certain impurities can corrode parts in the jack, so that the durability of the jack is reduced.

2. The cushion can produce violent vibration when receiving the heavy object impact, and the screw rod can consequently produce the trend of rotation, and the screw rod rotation can make the heavy object on the cushion sink, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model discloses a canned type jack with dustproof function of antivibration utilizes the dust-proof box, locate the dust-proof box with height-adjusting nut, thereby reduce the dust, impurity such as concrete slurry enters into in the jack, the use accuracy of jack has been guaranteed, the inside part of jack has been protected, the durability of jack has also been increased, utilize the packing ring, prevented that the cushion from taking place the possibility of rotation because of the impact of heavy object, thereby reduced the screw rod, make the operation personnel safer when processing the work piece.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a canned type jack with dustproof function of antivibration, includes shell, screw rod, cushion, slider, height control nut, extension rod, leave accommodation space in the shell, the screw rod sets up in the shell, the screw rod with the lateral wall of shell passes through threaded connection, the slider sets up in the shell, the cushion inlays to be established the top surface of shell, the bottom of cushion with the top fixed connection of extension rod, the bottom surface of extension rod with the top surface butt of slider, the screw rod sets up in the shell, the cushion inlays to be established the top surface of shell, the bottom of cushion with the top surface butt of extension rod, the bottom surface of extension

The rod piece nut is fixedly connected with the other end of the screw rod, the dustproof box is a hollow shell with an opening at the bottom, the bottom edge of the dustproof box is fixedly connected with the bottom of the shell through a bolt, the gasket is arranged between the cushion block and the shell, and the gasket is sleeved on the periphery of the extension rod of the cushion block;

the dustproof box comprises a first shell, a second shell, a third shell and a fourth shell, wherein the first shell is a hollow shell with an opening on the side, the first shell wraps the height adjusting nut, the second shell is composed of a top panel, a front panel and a rear panel, the edge of the second shell is fixedly connected with the opening edge of the first shell, the third shell is composed of a top panel, a front panel and a rear panel, the edge of the third shell is fixedly connected with the edge of the second shell, the fourth shell is a hollow shell with an opening on the bottom and a side, and the opening side of the fourth shell is fixedly connected with the edge of the third shell.

As a further description of the above technical solution:

and mounting strips are arranged at the bottom edges of the second shell, the third shell and the fourth shell. As a further description of the above technical solution:

the mounting bar is fixedly connected with the shell through bolts. As a further description of the above technical solution:

the top panel of the third shell is provided with a through hole, and the extension rod extends out of the through hole. As a further description of the above technical solution:

the dustproof box is integrally formed.

As a further description of the above technical solution: the dustproof box is made of plastic materials.

As a further description of the above technical solution: the dust-proof box is made of stainless steel.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the height adjusting nut is arranged in the dustproof box by utilizing the dustproof box, thereby reducing the entering of impurities such as dust, concrete slurry and the like

In the jack, the use precision of the jack is guaranteed, parts in the jack are protected, and the durability of the jack is improved.

2. The cushion block is prevented from violently vibrating due to the impact of the heavy object by the aid of the gasket, so that the possibility of autorotation of the screw due to vibration is reduced, and an operator can safely process a workpiece.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the following drawings are provided for the embodiments

For purposes of simplicity of explanation, it is to be understood that the following drawings illustrate only certain embodiments of the invention and are therefore not to be considered limiting of its scope, as well as others that may be derived therefrom by those skilled in the art without inventive faculty.

Fig. 1 is a front view of a sealed jack with vibration-proof and dust-proof functions;

fig. 2 is a top view of a sealed jack with vibration-proof and dust-proof functions;

fig. 3 is a top view of a sealed jack having vibration-proof and dust-proof functions.

The labels in the figure are: 1-shell, 2-gasket, 3-cushion block, 4-first shell, 5-second shell, 6-third shell, and 7-fourth shell.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples. Example 1

The present embodiment is a structure of a sealed jack with vibration-proof and dust-proof functions, and includes a housing as shown in fig. 1 to 3

1. Screw rod, cushion 3, slider, height adjusting nut, extension rod and member nut, leave accommodation space in the shell 1, the screw rod sets up in the shell 1, the screw rod with the lateral wall of shell 1 passes through threaded connection, the slider sets up the shell

1, the cushion block 3 is embedded on the top surface of the shell 1, the bottom end of the cushion block 3 is fixedly connected with the top end of the extension rod, the bottom surface of the extension rod is abutted against the top surface of the slider, one end of the screw rod is embedded on the side surface of the slider and is rotatably connected with the slider, the rod nut is fixedly connected with the other end of the screw rod, the dust-proof box is a hollow shell with an opening at the bottom, the bottom edge of the dust-proof box is fixedly connected with the bottom of the shell 1 through a bolt, the gasket 2 is arranged between the cushion block 3 and the shell 1, the gasket 2 is sleeved on the periphery of the extension rod of the cushion block 3, and the dust-proof box comprises a first shell 4, a second shell 5, a third shell 6 and a fourth shell 7, the first shell 4 is a hollow shell with an opening on the side, the height adjusting nut is wrapped in the first shell 4, the second shell 5 is composed of a top panel, a front panel and a rear panel, the edge of the second shell 5 is fixedly connected with the opening edge of the first shell 4, the third shell 6 is composed of a top panel, a front panel and a rear panel, the edge of the third shell 6 is fixedly connected with the edge of the second shell 5, the fourth shell 7 is a hollow shell with an opening on the bottom and side, the opening side of the fourth shell 7 is fixedly connected with the edge of the third shell 6, the top panel of the third shell 6 is provided with a through hole, and the extension rod extends out of the through hole;

preferably, the bottom edges of the second shell 5, the third shell 6 and the fourth shell 7 are provided with mounting strips, and the mounting strips are fixedly connected with the outer shell 1 through bolts;

in order to solve the problem that the height adjusting nut of the jack is exposed in the air, impurities such as dust, concrete slurry and the like in the air can inevitably enter the jack through a gap between the height adjusting nut and the shell 1, so that the jack is used accurately

The degree is reduced, certain impurities can also corrode parts in the jack, so that the durability of the jack is reduced, the cushion block 3 can generate violent vibration when being impacted by a heavy object, the screw rod can generate a tendency of autorotation, the heavy object on the cushion block 3 can sink due to the autorotation of the screw rod, and the problem of potential safety hazard is caused;

the structure of the present invention is further explained below in conjunction with the use process:

on the finished jack, the dustproof box and the gasket 2 are directly installed, and the gasket 2 can be installed according to actual conditions

Selecting the diameter and the using number of the gaskets 2 and the material of the gaskets 2;

the dust-proof box is integrally formed, and is made of plastic materials or stainless steel materials;

in conclusion, the height adjusting nut is arranged in the dustproof box by utilizing the dustproof box, so that impurities such as dust, concrete slurry and the like are prevented from entering the jack, the use precision of the jack is ensured, parts in the jack are protected, the durability of the jack is also improved, the cushion block 3 is prevented from violently vibrating due to the impact of a heavy object by utilizing the gasket 2, the possibility of self-rotation of the screw rod due to vibration is reduced, and an operator can safely process a workpiece.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a canned type jack with dustproof function of antivibration, includes shell (1), screw rod, cushion (3), slider, height control nut, extension rod and member nut, leave accommodation space in shell (1), the screw rod sets up in shell (1), the screw rod with the lateral wall of shell (1) passes through threaded connection, the slider sets up in shell (1), cushion (3) are inlayed and are established the top surface of shell (1), the bottom of cushion (3) with the top fixed connection of extension rod, the bottom surface of extension rod with the top surface butt of slider, the one end of screw rod is inlayed and is established the side of slider and with the slider rotates to be connected, the member nut with the other end fixed connection of screw rod, its characterized in that: the dustproof box is a hollow shell with an opening at the bottom, the bottom edge of the dustproof box is fixedly connected with the bottom of the shell (1) through a bolt, the gasket (2) is arranged between the cushion block (3) and the shell (1), and the gasket (2) is sleeved on the periphery of the extension rod of the cushion block (3);

the dustproof box comprises a first shell (4), a second shell (5), a third shell (6) and a fourth shell (7), wherein the first shell (4) is a hollow shell with an opening on the side, the first shell (4) wraps a height adjusting nut, the second shell (5) is composed of a top panel, a front panel and a rear panel, the edge of the second shell (5) is fixedly connected with the opening edge of the first shell (4), the third shell (6) is composed of a top panel, a front panel and a rear panel, the edge of the third shell (6) is fixedly connected with the edge of the second shell (5), the fourth shell (7) is a hollow shell with an opening on the bottom and the side, and the opening side of the fourth shell (7) is fixedly connected with the edge of the third shell (6).

2. The sealed jack with vibration and dust prevention functions as set forth in claim 1, wherein: and mounting strips are arranged at the bottom edges of the second shell (5), the third shell (6) and the fourth shell (7).

3. The sealed jack with vibration and dust prevention functions as set forth in claim 2, wherein: the mounting bar is fixedly connected with the shell (1) through bolts.

4. The sealed jack with vibration and dust prevention functions as set forth in claim 1, wherein: the top panel of the third shell (6) is provided with a through hole, and the extension rod extends out of the through hole.

5. The sealed jack with vibration and dust prevention functions as set forth in claim 1, wherein: the dustproof box is integrally formed.

6. The sealed jack with vibration and dust prevention functions as set forth in claim 5, wherein: the dustproof box is made of plastic materials.

7. The sealed jack with vibration and dust prevention functions as set forth in claim 5, wherein: the dust-proof box is made of stainless steel.

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