CN219597002U - Inner support sealing tool - Google Patents
Inner support sealing tool Download PDFInfo
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- CN219597002U CN219597002U CN202320243421.1U CN202320243421U CN219597002U CN 219597002 U CN219597002 U CN 219597002U CN 202320243421 U CN202320243421 U CN 202320243421U CN 219597002 U CN219597002 U CN 219597002U
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- fastening
- sealing
- baffle
- clamping key
- screw
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Abstract
The utility model relates to the technical field of hydraulic cylinder processing, and discloses an internal support sealing tool which comprises a connection fastening screw, wherein a clamping key mechanism is arranged at one end of the connection fastening screw, the clamping key mechanism comprises a clamping key fastening baffle and a reinforcing rib plate arranged on the inner surface of the clamping key fastening baffle, one end of the connection fastening screw is fixedly arranged on the outer surface of the clamping key fastening baffle, the periphery of the clamping key fastening baffle is subjected to circular arc chamfering, and the other end of the connection fastening screw is in threaded connection with a sealing mechanism. This interior sealed frock of support, cooperation through key mechanism and sealing mechanism sets up, just can seal the open end of pneumatic cylinder in place through simple operation, uses the sealed lid that the screw thread revolved relatively, has saved the step of need processing the screw thread that is supporting with current sealed lid again alone at pneumatic cylinder body internal surface, has optimized the processing step, has reduced the manpower and materials that processing screw thread was done needs to promoted the production efficiency of pneumatic cylinder.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinder machining, in particular to an inner support sealing tool.
Background
The hydraulic cylinder is a hydraulic executive component which converts hydraulic energy into mechanical energy and performs linear reciprocating motion, has simple structure and reliable work, can avoid a speed reducing device when being used for realizing reciprocating motion, has no transmission clearance and stable motion, thus being widely applied to hydraulic systems of various machines, and basically comprises a cylinder barrel, a cylinder cover piston, a piston rod, a sealing device and an exhaust device, wherein the output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference on two sides of the piston;
in the hydraulic cylinder production and processing process, the hydraulic cylinder is subjected to electroplating paint spraying, when the anti-corrosion treatment is carried out, the outer surface of the hydraulic cylinder is subjected to electroplating paint spraying treatment, the inner wall of the hydraulic cylinder is kept clean and does not need to be subjected to electroplating paint spraying treatment, therefore, the open port of the middle cylinder of the hydraulic cylinder is required to be sealed when the electroplating paint spraying is carried out, the inner wall of the hydraulic cylinder is prevented from being polluted by electroplating paint, the prior art is that threads are processed on the inner wall of a cylinder body, then a matched sealing cover is used for sealing, the threads can only be used as paint spraying matching, no matter in the follow-up processing process or actual use can provide a functional effect, the method of adding threads on the inner wall of the cylinder body is relatively complicated, the method is not economical enough, and meanwhile, a certain amount of labor and time are required to be input, and the overall production efficiency of the hydraulic cylinder is influenced negatively.
Disclosure of Invention
Aiming at the defects and problems of the existing hydraulic cylinder in the electroplating and paint spraying process, the utility model provides the internal support sealing tool which is unique in structure, convenient to use, capable of sealing the open end of the hydraulic cylinder in place through simple operation, and capable of avoiding the problem that the production efficiency is affected by increasing the threads on the inner surface of the cylinder body of the hydraulic cylinder by using the screw thread screwing sealing cover, eliminating the need of independently processing the threads matched with the existing sealing cover on the inner surface of the cylinder body of the hydraulic cylinder, optimizing the processing steps, reducing the manpower and material resources required by processing the threads, and further avoiding the problem that the production efficiency is affected by increasing the threads on the inner surface of the cylinder body.
The utility model solves the technical problems by adopting the scheme that: the utility model provides an interior sealed frock of support, includes connects the fastening screw, its characterized in that, the one end of connecting the fastening screw is equipped with the key mechanism, the key mechanism includes key fastening baffle and the reinforcing rib board of setting at key fastening baffle internal surface, the one end of connecting the fastening screw and the surface fixed mounting of key fastening baffle, circular arc chamfer is all done all around to key fastening baffle, the other end of connecting the fastening screw is connected with sealing mechanism, sealing mechanism is including setting up at the fastening seal nut and the sealed bottom on connecting the fastening screw top, the central point department of sealed bottom has offered screw thread fastening perforation, the internal surface of sealed bottom is equipped with sealed baffle along circumference concentric, the diameter of sealed baffle is less than the diameter of sealed bottom, the root cover of sealed baffle is equipped with the sealing washer.
Preferably, the connecting fastening screw comprises a screw body and a telescopic sleeve sleeved outside the screw body, the inner surface of the threaded fastening hole is provided with threads matched with one end of the connecting fastening screw, which is far away from the clamping key mechanism, the screw body penetrates through the threaded fastening hole and is in threaded connection with the sealing bottom cover, the outer surface of the screw body is provided with a compression spring in a sleeved mode, a limiting block is fixedly arranged at one end, close to the clamping key mechanism, of the screw body, and a limiting baffle is fixedly arranged at one end, far away from the clamping key mechanism, of the telescopic sleeve.
Preferably, one end of the connecting fastening screw close to the clamping key mechanism is provided with connecting threads, the middle part of the inner surface of the clamping key fastening baffle is also provided with threads matched with the connecting fastening screw, and the connecting fastening screw can be in threaded connection with the clamping key fastening baffle.
Preferably, a rubber pad is arranged on the contact surface of the fastening sealing nut and the sealing bottom cover, and when the fastening sealing nut is connected with the connecting fastening screw rod in place, the fastening sealing nut is tightly contacted with the sealing bottom cover.
Preferably, the reinforcing rib plate is perpendicular to the clamping key fastening baffle, and opposite angles of the overlapping surfaces of the reinforcing rib plate and the clamping key fastening baffle are respectively close to opposite angles of the clamping key fastening baffle, and the reinforcing rib plate can provide certain auxiliary force to prevent the clamping key fastening baffle from deforming due to excessive fastening.
Preferably, the sealing ring is made of silica gel, soft in texture and elastic, and can be tightly attached to the outer surface of the sealing baffle ring.
The utility model has the beneficial effects that: when the hydraulic cylinder is used, one end with threads of the connecting and fastening screw rod is held by hand, the clamping key fastening baffle is obliquely placed in the hydraulic cylinder body, the clamping key fastening baffle is obliquely crossed over a key groove or a convex clamping block in the cylinder body and then is vertical, the clamping key fastening baffle is tightly attached to the key groove or the convex clamping block in the cylinder body, then the end with threads of the connecting and fastening screw rod is rotated to pass through the threaded fastening perforation until the outer edge of the sealing bottom cover is contacted with the end face of the hydraulic cylinder body, at the moment, the fastening sealing nut is connected with the end with threads of the connecting and fastening screw rod, the sealing ring is tightly screwed, the sealing ring is fully extruded by the sealing bottom cover, the sealing baffle ring and the end face of the hydraulic cylinder body, so that the sealing effect on the port of the hydraulic cylinder is ensured, the open end of the hydraulic cylinder can be sealed in place through the matching arrangement of the clamping key mechanism and the sealing mechanism, the step of independently processing the threads matched with the existing sealing cover on the inner surface of the hydraulic cylinder body is omitted, the processing step is omitted, and the manpower required for processing the threads is reduced, and the production efficiency of the hydraulic cylinder is improved;
the telescopic sleeve and the compression spring are matched, so that after the device is installed in place, the sealing bottom cover is further compressed by the hydraulic cylinder, and the sealing effect of the device is further enhanced;
unlike the examples, the following are: when the position of the key slot or the protruding fixture block in the cylinder body of the hydraulic cylinder is deeper, the connecting fastening screw rod is inclined to a certain angle and is in contact with the inner wall of the cylinder body, the clamping key fastening baffle plate can not be inclined continuously after touching, the hand-held connecting fastening screw rod can only incline the clamping key fastening baffle plate by a small angle, if the clamping key fastening baffle plate is inclined in place, the clamping key fastening baffle plate can not be put into a specified position, at the moment, the connecting fastening screw rod and the clamping key fastening baffle plate are screwed and separated, the clamping key fastening baffle plate can be screwed and separated from the connecting fastening screw rod and can not be influenced by the inclination angle of the connecting fastening screw rod, so that hydraulic cylinders of different specifications can be matched, and the applicability of the device is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a connection structure of a latch mechanism according to the present utility model;
FIG. 3 is a schematic view of a seal mechanism according to the present utility model;
fig. 4 is a schematic side sectional view of the present utility model.
In the figure: 1. connecting a fastening screw; 11. a screw body; 12. a telescoping sleeve; 13. a compression spring; 14. a limiting block; 15. a limit baffle; 2. a key clamping mechanism; 21. the blocking key is used for fastening the baffle; 22. reinforcing rib plates; 3. a sealing mechanism; 31. fastening a sealing nut; 32. sealing the bottom cover; 33. a threaded fastening perforation; 34. a sealing baffle ring; 35. and (3) sealing rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The following describes in detail the technical solutions provided by the embodiments of the present utility model with reference to the accompanying drawings.
Example 1: referring to fig. 1, 2 and 3, an inner support seal tool; comprises a connecting fastening screw 1, one end of the connecting fastening screw 1 is provided with a clamping key mechanism 2, the clamping key mechanism 2 comprises a clamping key fastening baffle 21 and a reinforcing rib plate 22 arranged on the inner surface of the clamping key fastening baffle 21, the size of the clamping key fastening baffle 21 corresponds to the size of the inner wall of a hydraulic cylinder body, the clamping key fastening baffle 21 can incline by a certain angle to enable the upper end and the lower end of the clamping key fastening baffle to sequentially pass through a key slot or a convex clamping block, the clamping key fastening baffle 21 is further placed at a designated position in the hydraulic cylinder body, the reinforcing rib plate 22 is vertical to the clamping key fastening baffle 21, opposite angles of the overlapping surfaces of the reinforcing rib plate 22 and the clamping key fastening baffle 21 are respectively close to opposite angles of the clamping key fastening baffle 21, the reinforcing rib plate 22 can provide a certain auxiliary force to prevent the clamping key fastening baffle 21 from deforming due to excessive fastening, one end of the connecting fastening screw 1 is fixedly installed on the outer surface of the clamping key fastening baffle 21, the periphery of the clamping key fastening baffle 21 is subjected to circular arc chamfering treatment, so that the clamping key fastening baffle 21 is prevented from scratching the inner wall of the hydraulic cylinder in the process of being placed in the hydraulic cylinder, the other end of the connecting fastening screw 1 is connected with a sealing mechanism 3, the sealing mechanism 3 comprises a fastening sealing nut 31 and a sealing bottom cover 32 which are arranged at the top end of the connecting fastening screw 1, a rubber pad is arranged on the contact surface of the fastening sealing nut 31 and the sealing bottom cover 32, after the fastening sealing nut 31 is connected with the connecting fastening screw 1 in place, the connecting fastening screw 1 can completely seal a threaded fastening perforation 33, the rubber pad on the fastening sealing nut 31 can tightly contact with the sealing bottom cover 32 to double seal the threaded fastening perforation 33, the sealing effect of the device is ensured, when the fastening sealing nut 31 is connected with the connecting fastening screw 1 in place, the fastening sealing nut 31 tightly contacts with the sealing bottom cover 32, the center of the sealing bottom cover 32 is provided with a screw fastening perforation 33, the inner surface of the sealing bottom cover 32 is provided with a sealing baffle ring 34 concentrically along the circumference, the diameter of the sealing baffle ring 34 is smaller than that of the sealing bottom cover 32, the root of the sealing baffle ring 34 is sleeved with a sealing ring 35, the sealing ring 35 is made of silica gel, and the sealing ring is soft in texture and has certain elasticity, and can be clung to the outer surface of the sealing baffle ring 34;
when the hydraulic cylinder is used, one threaded end of the connecting fastening screw 1 is held by hand, the clamping key fastening baffle 21 is obliquely placed into the hydraulic cylinder body, the clamping key fastening baffle 21 is obliquely crossed over a key groove or a convex clamping block in the cylinder body and then is vertical, the clamping key fastening baffle 21 is tightly attached to the key groove or the convex clamping block in the cylinder body, then the threaded end of the connecting fastening screw 1 is rotated to pass through the threaded fastening perforation 33 until the outer edge of the sealing bottom cover 32 is contacted with the end face of the hydraulic cylinder body, at the moment, the fastening sealing nut 31 is connected with the threaded end of the connecting fastening screw 1 and screwed, the sealing ring 35 is fully extruded by the sealing bottom cover 32, the sealing baffle ring 34 and the end face of the hydraulic cylinder body, so that the sealing effect on the port of the hydraulic cylinder is ensured, the open end of the hydraulic cylinder is sealed in place through the cooperation of the clamping key mechanism 2 and the sealing mechanism 3, the step of independently processing the threads on the inner surface of the hydraulic cylinder body is omitted by using the sealing cover screwed by threads, the step of processing the threads required by the existing sealing cover is omitted, and the production efficiency of the hydraulic cylinder is improved.
Example 2: referring to fig. 1, fig. 2 and fig. 4, the connection fastening screw 1 includes a screw body 11 and a telescopic sleeve 12 sleeved outside the screw body 11, the inner surface of a threaded fastening hole 33 is provided with threads matched with one end of the connection fastening screw 1 far away from the clamping key mechanism 2, the screw body 11 penetrates through the threaded fastening hole 33 to be in threaded connection with a sealing bottom cover 32, the outer surface of the screw body 11 is fixedly provided with a limiting block 14 with the sleeved compressing spring 13, one end of the screw body 11 close to the clamping key mechanism 2 is fixedly provided with a limiting block 14, one end of the telescopic sleeve 12 far away from the clamping key mechanism 2 is fixedly provided with a limiting baffle 15, and the telescopic sleeve 12 and the compressing spring 13 are matched and arranged, so that after the device is installed in place, the compressing spring 13 enables the device to increase a certain compressing force, further compresses the sealing bottom cover 32 to a hydraulic cylinder port, and further strengthens the sealing effect of the device.
Example 3: referring to fig. 1 and 4, a connecting screw thread is disposed at one end of the connecting fastening screw 1 near the latch mechanism 2, and a screw thread matched with the connecting fastening screw 1 is also disposed in the middle of the inner surface of the latch fastening baffle 21, and the connecting fastening screw 1 can be in threaded connection with the latch fastening baffle 21, which is different from embodiment 1 in that: when the position of a key slot or a convex clamping block in the cylinder body of the hydraulic cylinder is deeper, the connecting fastening screw 1 is inclined to a certain angle and is in contact with the inner wall of the cylinder body, the clamping key fastening baffle 21 cannot be inclined continuously after touching, the clamping key fastening baffle 21 can only be inclined by a small angle through the hand-held connecting fastening screw 1, if the clamping key fastening baffle 21 is not inclined in place, the clamping key fastening baffle 21 cannot be put into a designated position, the connecting fastening screw 1 and the clamping key fastening baffle 21 are screwed and separated at the moment, the clamping key fastening baffle 21 can be separated from the connecting fastening screw 1 by screwing and cannot be influenced by the inclination angle of the clamping key fastening screw, so that hydraulic cylinders of different specifications can be matched, and the applicability of the device is improved.
The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.
Claims (6)
1. The utility model provides an interior sealed frock of support, includes connects fastening screw (1), its characterized in that, the one end of connecting fastening screw (1) is equipped with draw-in key mechanism (2), draw-in key mechanism (2) including draw-in key fastening baffle (21) and set up reinforcing rib board (22) at draw-in key fastening baffle (21) internal surface, the one end of connecting fastening screw (1) and the surface fixed mounting of draw-in key fastening baffle (21), circular arc chamfer processing is all done all around to draw-in key fastening baffle (21), the other end of connecting fastening screw (1) is connected with sealing mechanism (3), sealing mechanism (3) are including setting up fastening seal nut (31) and sealing bottom (32) on connecting fastening screw (1) top, threaded fastening perforation (33) have been seted up in the central point department of sealing bottom (32), sealing bottom (32) internal surface is equipped with sealing ring (34) along circumference with one heart, sealing ring (34) diameter is less than sealing bottom (32), sealing ring (34) root cover has sealing washer (35).
2. The internal support sealing tool according to claim 1, wherein the connection fastening screw (1) comprises a screw body (11) and a telescopic sleeve (12) sleeved outside the screw body (11), threads matched with one end of the connection fastening screw (1) far away from the clamping key mechanism (2) are arranged on the inner surface of the threaded fastening hole (33), the screw body (11) penetrates through the threaded fastening hole (33) to be in threaded connection with the sealing bottom cover (32), a compression spring (13) is sleeved on the outer surface of the screw body (11), a limiting block (14) is fixedly arranged at one end of the screw body (11) close to the clamping key mechanism (2), and a limit baffle (15) is fixedly arranged at one end of the telescopic sleeve (12) far away from the clamping key mechanism (2).
3. The internal support sealing tool according to claim 1, wherein one end of the connection fastening screw (1) close to the clamping key mechanism (2) is provided with a connection thread, the middle part of the inner surface of the clamping key fastening baffle (21) is also provided with a thread matched with the connection fastening screw (1), and the connection fastening screw (1) can be in threaded connection with the clamping key fastening baffle (21).
4. The internal support sealing tool according to claim 1, wherein a rubber pad is arranged on a surface, which is contacted with the sealing bottom cover (32), of the fastening sealing nut (31), and when the fastening sealing nut (31) is connected with the connecting fastening screw (1) in place, the fastening sealing nut (31) is tightly contacted with the sealing bottom cover (32).
5. The internal support sealing tool according to claim 1, wherein the reinforcing rib plate (22) is perpendicular to the clamping key fastening baffle plate (21), opposite angles of the overlapping surfaces of the reinforcing rib plate and the clamping key fastening baffle plate are respectively close to opposite angles of the clamping key fastening baffle plate (21), and the reinforcing rib plate (22) can provide auxiliary force to prevent the clamping key fastening baffle plate (21) from being deformed due to excessive fastening.
6. The inner support sealing tool according to claim 1, wherein the sealing ring (35) is made of silica gel material and can be tightly attached to the outer surface of the sealing baffle ring (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320243421.1U CN219597002U (en) | 2023-02-17 | 2023-02-17 | Inner support sealing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320243421.1U CN219597002U (en) | 2023-02-17 | 2023-02-17 | Inner support sealing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219597002U true CN219597002U (en) | 2023-08-29 |
Family
ID=87738334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320243421.1U Active CN219597002U (en) | 2023-02-17 | 2023-02-17 | Inner support sealing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219597002U (en) |
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2023
- 2023-02-17 CN CN202320243421.1U patent/CN219597002U/en active Active
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