Elastic clamping device for valve body

Abstract

The utility model discloses a valve body elastic clamping device which comprises a bearing platform, a plurality of clamping jaws are arranged on the bearing platform in a sliding mode, the valve body elastic clamping device further comprises a supporting column, a bottom plate, a bearing plate, a connecting bolt and a spring, the supporting column is arranged on the bearing platform, the bottom plate is arranged on the supporting column, and the bearing plate is arranged on the bearing platform. The bearing plate is connected with the bottom plate through the connecting bolt, the connecting bolt is sleeved with the spring, and the two ends of the spring abut against the bearing plate and the bottom plate respectively. The device has the following beneficial effects that elastic clamping of the valve body is achieved, and the probability that the end face is collided and damaged in the clamping process of the valve body is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve body processing auxiliary field especially relates to a valve body elastic clamping device. BACKGROUND

[0002] Valve body is a very important part on the valve at present, valve body can be roughly regarded as an irregular circular object, its inside is a roughly circular hole, and the outer wall is provided with different structures, in order to be able to carry out the working of valve body, patent announcement document CN211071881U discloses a valve body clamping tool, the clamping tool is a four clamping claws of self to tightly paste the inner wall of valve body and thus play the role of clamping workpiece, but the clamping tool is through the end face of self to resist the valve body in the process of clamping valve body, so there is a problem, namely, the clamping tool in clamping valve body moves to other places, if there is other object and valve body contact, collision between valve body and other workpieces will occur, resulting in damage of valve body in the clamping process. SUMMARY

[0003] The utility model discloses to the above -mentioned problem, proposes a kind of valve body elastic clamping device, realize the elastic clamping of valve body, reduce the probability of end face collision in the process of valve body clamping.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] A kind of valve body elastic clamping device, including bearing platform, the clamping claw is slidably arranged on the bearing platform, and the clamping claw has multiple, further including support column, bottom plate, supporting plate, connecting bolt and spring, the support column is arranged on the bearing platform, the bottom plate is arranged on the support column, the supporting plate is connected with bottom plate by connecting bolt, the spring is sleeved on connecting bolt, and the both ends of the spring are respectively resisted to supporting plate and bottom plate.

[0006] In the valve body elastic clamping device, the clamping claw is slidably installed on the bearing platform, the driving assembly arranged on the bearing platform can drive the clamping claw to approach or move away from each other, and the clamping claw is used to abut the inner hole wall of the valve body. When all the clamping claws abut the inner hole wall of the valve body, the clamping claws clamp the valve body.

[0007] Meanwhile, when the clamping jaw is close to the valve body, one end of the supporting plate is used to contact the end face of the valve body, since one end of the connecting bolt is fixed with the supporting plate, the connecting bolt is in sliding fit with the through hole of the bottom plate, the spring is arranged on the connecting bolt, the bottom plate is fixedly installed on the bearing platform by means of the supporting column, and the supporting plate is elastically installed on the bottom plate by means of the connecting bolt and the spring. The supporting plate is used to contact the valve body, so that the valve body is elastically clamped by the device, when the valve body is pressed by external objects, the supporting plate and the valve body move to one side of the bottom plate, when the supporting plate moves with the valve body, the valve body returns to the original position after the external force disappears, so that the valve body is elastically clamped by the device, and the probability of damage of the end face of the valve body in the clamping process is reduced.

[0008] Optionally, a clamping notch is arranged on the clamping jaw.

[0009] Optionally, one side of the clamping notch is a contact plane, the contact plane is parallel to the supporting plate, and the other side of the clamping notch is a circular arc abutting surface, and the circular arc abutting surface is perpendicular to the contact plane.

[0010] The circular arc abutting surface is used to contact the inner hole wall of the valve body, and the contact plane is the limit position of the valve body, when the valve body moves and meets the contact plane, the valve body stops moving.

[0011] Optionally, the supporting column has a plurality of supporting columns, and all the supporting columns are arranged at the edge of the bearing platform, and the supporting column is perpendicular to the bottom plate.

[0012] Optionally, the supporting column is parallel to the connecting bolt, and the supporting column and the connecting bolt are not in a straight line.

[0013] The supporting column is parallel to the connecting bolt, and the supporting column and the connecting bolt are not in a straight line, so as to ensure the position stability between the bottom plate and the supporting plate.

[0014] Optionally, the bottom plate is parallel to the supporting plate, and the bottom plate does not contact the bearing platform.

[0015] Optionally, the bottom plate and the supporting plate are perpendicular to the clamping jaw.

[0016] Optionally, the clamping jaw has three clamping jaws, and the three clamping jaws are equidistantly and equi-radially distributed on the bearing platform.

[0017] Optionally, the supporting column has three supporting columns, and one supporting column is arranged between every two clamping jaws.

[0018] Optionally, the bottom plate is in a trident star shape, and the supporting plate is in a trident star shape.

[0019] The bottom plate and the supporting plate are in a trident star shape, so as to avoid affecting the movement of the clamping jaw.

[0020] The beneficial effects of this utility model are: it achieves elastic clamping of the valve body, reducing the probability of end face damage during valve body clamping. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0022] Figure 1 This is a simplified schematic diagram of the working state of the elastic valve body clamping device;

[0023] Figure 2 This is a schematic diagram showing the positional relationship between the gripper and the support column;

[0024] Figure 3 This is a simplified diagram illustrating the positional relationship between the base plate and the support plate.

[0025] The attached figures are labeled as follows: 1. Foundation; 2. Support column; 3. Clamping claw; 301. Clamping notch; 3011. Contact plane; 3012. Arc-shaped contact surface; 4. Connecting bolt; 5. Base plate; 6. Spring; 7. Support plate; 8. Valve body. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0029] As attached Figure 1 Appendix Figure 2 and appendix Figure 3 As shown, an elastic clamping device for a valve body 8 includes a base 1, on which a plurality of clamping claws 3 are slidably disposed, and also includes a support column 2, a base plate 5, a support plate 7, a connecting bolt 4, and a spring 6. The support column 2 is disposed on the base 1, the base plate 5 is disposed on the support column 2, the support plate 7 is connected to the base plate 5 by the connecting bolt 4, and the spring 6 is sleeved on the connecting bolt 4, with the two ends of the spring 6 abutting against the support plate 7 and the base plate 5 respectively.

[0030] In this type of valve body 8 elastic clamping device, the gripper 3 is slidably mounted on the support 1. The driving component set on the support 1 can drive the grippers 3 to move closer or further apart. The grippers 3 are used to adhere to the inner wall of the valve body 8. When all the grippers 3 are close to the inner wall of the valve body 8, the grippers 3 clamp the valve body 8.

[0031] Meanwhile, in this clamping device, when the gripper 3 is pressed against the valve body 8, one end of the support plate 7 is used to contact the end face of the valve body 8. Since one end of the connecting bolt 4 is fixed together with the support plate 7, and the connecting bolt 4 is slidably engaged with the through hole of the base plate 5, the spring 6 is sleeved on the connecting bolt 4. The base plate 5 is fixedly installed on the support platform 1 with the help of the support column 2. With the help of the connecting bolt 4 and the spring 6, the support plate 7 is elastically installed on the base plate 5. In this clamping device, the support plate 7 is used to support and contact the valve body 8. Therefore, this device provides elastic clamping for the valve body 8. When it is touched and squeezed by an external object, the support plate 7 will move towards the side of the base plate 5 with the valve body 8. When the support plate 7 moves with the valve body 8, it will return to its original position after the external force disappears. Therefore, this clamping device achieves elastic clamping for the valve body 8, reducing the probability of damage to the end face of the valve body 8 during the clamping process.

[0032] As attached Figure 1 Appendix Figure 2 and appendixFigure 3 As shown, the gripper 3 has a gripping notch 301.

[0033] As attached Figure 1 Appendix Figure 2 and appendix Figure 3 As shown, one side of the clamping notch 301 is the contact plane 3011, which is parallel to the support plate 7, and the other side of the clamping notch 301 is the arc-shaped fitting surface 3012, which is perpendicular to the contact plane 3011.

[0034] Specifically, the arc-shaped contact surface 3012 is used to contact the inner wall of the valve body 8, while the contact plane 3011 is the limit position of the movement of the valve body 8. When the valve body 8 touches the contact plane during the movement process, the valve body 8 will stop moving.

[0035] As attached Figure 1 Appendix Figure 2 and appendix Figure 3 As shown, there are multiple support columns 2, and all support columns 2 are located at the edge of the foundation 1, with the support columns 2 perpendicular to the base plate 5.

[0036] As attached Figure 1 Appendix Figure 2 and appendix Figure 3 As shown, the support column 2 is parallel to the connecting bolt 4, and the support column 2 and the connecting bolt 4 are not on the same straight line.

[0037] The support column 2 is parallel to the connecting bolt 4, and the support column 2 and the connecting bolt 4 are not on the same straight line. This is to ensure the positional stability between the base plate 5 and the support plate 7.

[0038] As attached Figure 1 Appendix Figure 2 and appendix Figure 3 As shown, the base plate 5 is parallel to the support plate 7, and the base plate 5 does not contact the support platform 1.

[0039] As attached Figure 1 Appendix Figure 2 and appendix Figure 3 As shown, both the base plate 5 and the support plate 7 are perpendicular to the gripper 3. At the same time, the support plate 7 in this type of clamping device is close to the end face of the valve body 8, which can detect the flatness of the end face of the valve body 8 to a certain extent.

[0040] As attached Figure 1 Appendix Figure 2 and appendix Figure 3 As shown, there are three grippers 3, and the three grippers 3 are distributed at equal intervals and with equal arcs on the support platform 1.

[0041] As attached Figure 1 Appendix Figure 2 and appendix Figure 3As shown, there are three support columns 2, with one support column 2 positioned between every two grippers 3. The three support columns are parallel and do not contact each other, and the three connecting bolts are also parallel and do not contact each other. Specifically, the support columns are detachably fixed to the bearing platform using bolts or screws.

[0042] As attached Figure 1 Appendix Figure 2 and appendix Figure 3 As shown, the base plate 5 is in the shape of a trident star, and the support plate 7 is in the shape of a trident star.

[0043] Both the base plate 5 and the support plate 7 are trident-shaped to avoid affecting the movement of the gripper 3.

[0044] The above-described embodiments only illustrate some aspects of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A valve body elastic clamping device comprising a bearing platform, a clamping jaw is slidably arranged on the bearing platform, and the clamping jaw has a plurality of, characterized in that, The support column is arranged on the bearing platform, the bottom plate is arranged on the support column, the supporting plate is connected with the bottom plate through the connecting bolt, and the spring is sleeved on the connecting bolt.

2. A resilient clamping device for a valve body as claimed in claim 1, wherein The clamping jaw is provided with a clamping notch.

3. A resilient clamping device for a valve body as claimed in claim 2, wherein One side of the clamping notch is a contact plane, which is parallel to the supporting plate, and the other side of the clamping notch is a circular arc surface, which is perpendicular to the contact plane.

4. The resilient clamping device of claim 1, wherein The support column has a plurality of support columns, and all the support columns are arranged at the edge of the bearing platform.

5. The resilient clamping device of claim 1, wherein the resilient clamping device is a valve body resilient clamping device, and the at least one resilient clamping member is a valve body resilient clamping member. The support column is parallel to the connecting bolt, and the support column and the connecting bolt are not in a straight line.

6. The resilient clamping device of claim 1, wherein The bottom plate is parallel to the supporting plate, and the bottom plate does not contact the bearing platform.

7. The resilient clamping device of claim 1, wherein The bottom plate and the supporting plate are perpendicular to the clamping jaw.

8. The resilient clamping device of claim 1, wherein: The clamping jaw has three clamping jaws, and the three clamping jaws are equally spaced and radially distributed on the bearing platform.

9. A resilient clamping device for a valve body as claimed in claim 8, wherein The support column has three support columns, and one support column is arranged between every two clamping jaws.

10. The resilient clamping device of claim 1, wherein The bottom plate is in a three-pronged star shape, and the supporting plate is in a three-pronged star shape.

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