CN215093310U - Valve oil seal press-fitting device - Google Patents
Valve oil seal press-fitting device Download PDFInfo
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- CN215093310U CN215093310U CN202120681996.2U CN202120681996U CN215093310U CN 215093310 U CN215093310 U CN 215093310U CN 202120681996 U CN202120681996 U CN 202120681996U CN 215093310 U CN215093310 U CN 215093310U
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- valve oil
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- pull rod
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- oil seal
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Abstract
The utility model discloses a valve oil blanket pressure equipment device belongs to valve oil blanket pressure equipment technical field. The valve oil seal press-fitting device comprises a spiral pull rod, a switch magnet, a connecting piece and a press-fitting head; the switch magnet is fixedly connected to one end of the spiral pull rod and is used for being selectively and magnetically adsorbed on a cylinder cover of the engine; the connecting piece is vertically connected with the spiral pull rod and can swing relative to the spiral pull rod and move along the length direction of the spiral pull rod; the pressure equipment head slides along the length direction of connecting piece and sets up on the connecting piece, and the bottom of pressure equipment head is provided with the locating pin, and the locating pin extends to the direction of keeping away from the pressure equipment head, and the locating pin is coaxial with the valve guide pipe of engine, and in the locating pin was used for inserting the valve guide pipe, the bottom of pressure equipment head still was provided with the annular chamber that is used for holding and joint the valve oil blanket of engine, and the locating pin is located the annular chamber and coaxial with the annular chamber. The advantages are that: the installation and the disassembly are simple and convenient, the working efficiency is high, and the universality is good.
Description
Technical Field
The utility model relates to a valve oil blanket pressure equipment technical field especially relates to a valve oil blanket pressure equipment device.
Background
The valve oil seal is used for sealing a valve guide pipe of an engine, engine oil splashed on a cylinder cover of the engine can be effectively prevented from entering an air inlet channel of the engine through a gap between a valve and the valve guide pipe through the valve oil seal, meanwhile, mixed gas of gasoline and air and waste gas can be prevented from being leaked out, and the valve oil seal is one of important parts of the engine. The valve oil seal is usually installed by pressing the valve oil seal into a valve guide pipe on a cylinder cover of an engine through a valve oil seal press-fitting device.
Present valve oil blanket pressure equipment device is including the support, support arm and the depression bar that connect gradually, and the support passes through the bolt fastening on the jar lid, and the support arm level sets up on support and the depression bar that are parallel to each other, vertical support arm of pushing down to drive the depression bar and will be located the valve oil blanket pressure of depression bar bottom to the valve pipe on.
Although the valve oil seal can be pressed to the valve guide pipe, the bracket needs to be fixed through the bolt, and the installation is complicated; when the valve oil seals are required to be respectively installed on valve guide pipes of different engines by using the valve oil seal press-fitting device, the valve oil seals are required to be firstly disassembled from the cylinder cover of the engine on which the valve oil seals are installed in a threaded manner and then fixed on the engine to be pressed by threads again, so that the disassembly is complicated, and the working efficiency is low; in addition, bolt holes matched with the positions of the supports need to be found on the cylinder cover in the process of fixing the supports through the bolts, time and labor are wasted, and the working efficiency is low; because the position of the pressure lever on the supporting arm can not be moved, the fixed position of the support on the cylinder cover is determined according to the specific position of the valve guide pipe, so that an engine which is not provided with bolt holes matched with the position of the support on the cylinder cover can not use the valve oil seal press-fitting device to press and fit a valve oil seal, the application range of the valve oil seal press-fitting device is greatly limited, and the universality is poor.
In summary, it is desirable to design a valve oil seal press-fitting device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve oil blanket pressure equipment device, its installation and dismantlement are simple and convenient, labour saving and time saving, and work efficiency is higher and the commonality is better.
To achieve the purpose, the utility model adopts the following technical proposal:
a valve oil seal press-fitting device comprises:
a screw rod;
the switch magnet is fixedly connected to one end of the spiral pull rod and is used for being selectively and magnetically adsorbed on a cylinder cover of the engine;
the connecting piece is vertically connected with the spiral pull rod, can swing relative to the spiral pull rod and can move along the length direction of the spiral pull rod;
the pressure equipment head, its edge the length direction of connecting piece slides and sets up on the connecting piece, the bottom of pressure equipment head is provided with the locating pin, the locating pin is to keeping away from the direction of pressure equipment head extends, just the locating pin with the valve guide of engine is coaxial, the locating pin is used for inserting in the valve guide, the bottom of pressure equipment head still is provided with and is used for holding and joint the annular chamber of the valve oil blanket of engine, the locating pin is located the annular chamber and with the annular chamber is coaxial.
Preferably, the switch magnet includes:
a magnetic component;
a switch;
and the control component is in control connection with the magnetic component and is in communication connection with the switch, and the control component is used for receiving an opening and closing signal of the switch and controlling a magnetic circuit of the magnetic component so as to control the switch-on and switch-off of the switch magnet.
Preferably, the screw-type drawbar includes:
the pull rod is provided with an external thread in an annular mode;
and the movable nut is arranged on the pull rod in a penetrating mode, is connected with the connecting piece and is screwed to drive the connecting piece to move along the length direction of the pull rod.
Preferably, the connecting piece is connected with the spiral pull rod through a steering head, the steering head is used for enabling the connecting piece to swing relative to the spiral pull rod, and the steering head is connected with the movable nut.
Preferably, the connecting piece is connected with the spiral pull rod in a hinged mode, so that the connecting piece can swing relative to the spiral pull rod.
Preferably, the connecting piece with press-fitting head is connected through the depression bar, the one end of depression bar slides and sets up on the connecting piece, the other end with press-fitting head is connected, just the depression bar with spiral pull rod parallel arrangement, just be provided with the spout on the connecting piece along its length direction.
Preferably, the valve oil seal press-fitting device further comprises:
and the adjusting bolt is connected with the pressure rod, penetrates through the sliding groove and is in interference fit with the sliding groove.
Preferably, the valve oil seal press-fitting device further comprises:
the sliding block is connected with the pressing rod, penetrates through the sliding groove and is in interference fit with the sliding groove.
Preferably, the switch magnet and the spiral pull rod are fixed through a fastener.
Preferably, the fastener is a fixing bolt and a fixing nut matched with the fixing bolt.
The utility model has the advantages that:
the switch magnet is fixedly connected to one end of the spiral pull rod, so that the spiral pull rod is magnetically adsorbed on a cylinder cover of an engine, the connecting piece is vertically connected with the spiral pull rod, the press-fitting head is arranged on the connecting piece in a sliding mode along the length direction of the connecting piece, a positioning pin is arranged at the bottom end of the press-fitting head and extends in the direction far away from the press-fitting head, the positioning pin is used for being inserted into the valve guide pipe for positioning, an annular cavity used for containing and clamping a valve oil seal of the engine is further arranged at the bottom end of the press-fitting head, and the positioning pin is located in the annular cavity; when the valve oil seal is pressed, the positioning pin is inserted into the valve guide pipe and presses the connecting piece downwards to drive the pressing head to move downwards, so that the valve oil seal clamped in an annular cavity at the bottom end of the pressing head moves towards the valve guide pipe, and the valve oil seal is pressed into the valve guide pipe; the connecting piece can swing relative to the spiral pull rod, so that the problem of interference between the connecting piece and the spiral pull rod when the connecting piece is pressed downwards can be avoided; the positioning pin is coaxial with the valve guide pipe of the engine, and the annular cavity is coaxial with the positioning pin, so that the valve oil seal can be stably pressed into the valve guide pipe, the phenomenon of inclined fire trimming of the pressed valve oil seal is avoided, and the valve oil seal is well protected; meanwhile, the press-fitting head is arranged in a sliding manner along the length direction of the connecting piece, the connecting piece can move relative to the spiral pull rod along the length direction of the spiral pull rod, the position alignment degree between the valve oil seal to be pressed and the valve guide pipe can be well adjusted, the fixed position of the spiral pull rod on a cylinder cover cannot be limited, so that an engine which is not provided with a bolt hole matched with the installation position on the cylinder cover can be used for press-fitting of the valve oil seal by using the valve oil seal press-fitting device, the application range of the valve oil seal press-fitting device is greatly expanded, and the universality of the valve oil seal press-fitting device is good; the switch magnet can be selectively and magnetically adsorbed on the cylinder cover of the engine, so that the spiral pull rod can be conveniently and magnetically fixed on the cylinder cover and can be easily demagnetized and disassembled from the cylinder cover, and the whole valve oil seal press-fitting device is convenient to install and disassemble; the whole valve oil seal press-fitting device does not need to be installed on a cylinder cover through bolts any more, and when the valve oil seal press-fitting device is needed to be used for installing a plurality of valve oil seals on valve guide pipes of different engines respectively, the valve oil seals can be firstly detached from the cylinder cover of the engine with the valve oil seals installed only by closing the switch magnet, and then the valve oil seals can be fixed on the engine to be press-fitted by opening the switch magnet again, so that the working efficiency is high; and the bolt hole matched with the mounting position of the valve oil seal press-fitting device is not required to be found on the cylinder cover, so that the time and the labor are saved.
Drawings
Fig. 1 is a schematic structural view of the valve oil seal press-fitting device provided by the present invention;
fig. 2 is a cross-sectional view of the press-fitting head provided by the present invention.
Description of reference numerals:
1-a switch magnet; 2-a spiral pull rod; 3-a steering head; 4-a connector; 5-adjusting the bolt; 6-a pressure lever; 7-press mounting the head; 71-a ring cavity; 8-positioning pin.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features. Like reference numerals refer to like elements throughout the specification.
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the embodiment, the valve oil seal press-fitting device is provided, and is simple and convenient to install and disassemble, time-saving and labor-saving, high in working efficiency and good in universality. Specifically, as shown in fig. 1 and 2, the valve oil seal press-fitting device includes a spiral pull rod 2, a switch magnet 1, a connecting member 4, and a press-fitting head 7. The switch magnet 1 is fixedly connected to one end of the spiral pull rod 2, the switch magnet 1 is used for being selectively and magnetically adsorbed on a cylinder cover of an engine, namely when the switch magnet 1 is opened, the switch magnet 1 has magnetism so as to be magnetically adsorbed on the cylinder cover, and when the switch magnet 1 is closed, the switch magnet 1 does not have magnetism so as to be rapidly detached from the cylinder cover; the connecting piece 4 is vertically connected with the spiral pull rod 2, and the connecting piece 4 can swing relative to the spiral pull rod 2 and can move along the length direction of the spiral pull rod 2; the connecting piece 4 can swing relative to the spiral pull rod 2, so that the problem of interference between the connecting piece 4 and the spiral pull rod 2 when the connecting piece 4 is pressed downwards can be avoided, and the moving stability of the connecting piece 4 is ensured; the press-fitting head 7 is arranged on the connecting piece 4 in a sliding mode along the length direction of the connecting piece 4, the bottom end of the press-fitting head 7 is provided with a positioning pin 8, the positioning pin 8 extends towards the direction far away from the press-fitting head 7, the positioning pin 8 is coaxial with a valve guide pipe of an engine, the positioning pin 8 is used for being inserted into the valve guide pipe, the bottom end of the press-fitting head 7 is further provided with an annular cavity 71 used for containing and clamping a valve oil seal of the engine, and the positioning pin 8 is located in the annular cavity 71 and coaxial with the annular cavity 71. In this embodiment, the positioning pin 8 and the press-fitting head 7 are integrally formed. In other embodiments, the positioning pin 8 and the press-fitting head 7 may be of a separate structure.
The switch magnet 1 is fixedly connected to one end of the spiral pull rod 2, the spiral pull rod 2 is magnetically adsorbed on a cylinder cover of an engine, the connecting piece 4 is vertically connected with the spiral pull rod 2, the press-fitting head 7 is arranged on the connecting piece 4 in a sliding mode along the length direction of the connecting piece 4, a positioning pin 8 is arranged at the bottom end of the press-fitting head 7, the positioning pin 8 extends in the direction far away from the press-fitting head 7, the positioning pin 8 is used for being inserted into a valve guide pipe to be positioned, an annular cavity 71 used for containing and clamping a valve oil seal of the engine is further arranged at the bottom end of the press-fitting head 7, and the positioning pin 8 is located in the annular cavity 71; when the valve oil seal is pressed, the positioning pin 8 is inserted into the valve guide pipe, the connecting piece 4 is pressed downwards, and the connecting piece 4 drives the press-mounting head 7 to move downwards, so that the valve oil seal clamped in the annular cavity 71 at the bottom end of the press-mounting head 7 moves towards the valve guide pipe, and the valve oil seal is pressed into the valve guide pipe; because the positioning pin 8 is coaxial with the valve guide pipe of the engine, and the annular cavity 71 is coaxial with the positioning pin 8, the valve oil seal can be stably pressed into the valve guide pipe, so that the phenomenon of inclined fire trimming of the pressed valve oil seal is avoided, and the valve oil seal is well protected.
Meanwhile, the press-fitting head 7 is arranged in a sliding manner along the length direction of the connecting piece 4, and the connecting piece 4 moves relative to the spiral pull rod 2 along the length direction of the spiral pull rod 2, so that the position alignment degree between the valve oil seal to be pressed and the valve guide pipe can be well adjusted, the fixed position of the spiral pull rod 2 on a cylinder cover cannot be limited, an engine which is not provided with a bolt hole matched with the mounting position on the cylinder cover can be used for press-fitting the valve oil seal by using the valve oil seal press-fitting device, the application range of the valve oil seal press-fitting device is greatly expanded, and the universality is good; because the switch magnet 1 is selectively and magnetically adsorbed on the cylinder cover of the engine, the spiral pull rod 2 can be conveniently and magnetically fixed on the cylinder cover, and the spiral pull rod 2 can be easily demagnetized and disassembled from the cylinder cover, so that the whole valve oil seal press-fitting device is convenient to install and disassemble; the whole valve oil seal press-fitting device does not need to be installed on a cylinder cover through bolts any more, and when the valve oil seal press-fitting device is needed to be used for installing a plurality of valve oil seals on valve guide pipes of different engines respectively, the valve oil seals can be firstly detached from the cylinder cover of the engine with the valve oil seals installed only by closing the switch magnet 1, and then the valve oil seals can be fixed on the engine to be press-fitted by opening the switch magnet 1 again, so that the working efficiency is high; and need no longer find on the cylinder cap with valve oil blanket pressure equipment device's mounted position assorted bolt hole, labour saving and time saving further makes work efficiency higher.
Specifically, the switch magnet 1 includes a magnetic component, a control component, and a switch; the control assembly is in control connection with the magnetic assembly and is in communication connection with the switch, and the control assembly is used for receiving an opening and closing signal of the switch and controlling a magnetic circuit of the magnetic assembly so as to control the switch-on and switch-off of the switch magnet 1; when the switch is opened, the switch feeds back an opening signal to the control assembly so that the control assembly controls the magnetic circuit of the magnetic assembly, and the magnetic circuit of the magnetic assembly is changed to switch on the switch magnet 1, so that the switch magnet 1 has magnetism and can be magnetically adsorbed on the cylinder cover; when the switch is closed, the switch feeds back a closed signal to the control assembly, so that the control assembly controls the magnetic circuit of the magnetic assembly, the magnetic circuit of the magnetic assembly is changed again, the switch magnet 1 is disconnected, the switch magnet 1 does not have magnetism, and the switch magnet can be demagnetized and detached from the cylinder cover. The magnetic component and the control component in this embodiment are common structures in switch magnets in the prior art, and therefore, the working principle thereof is not described in detail herein.
Further, the screw pull rod 2 comprises a pull rod and a moving nut; wherein, the pull rod is provided with an external thread; the movable nut is arranged on the pull rod in a penetrating mode and connected with the connecting piece 4; through twisting the traveling nut to drive connecting piece 4 and remove along the length direction of pull rod, thereby can adjust the vertical distance of pressure equipment head 7 for the valve guide, with the alignment degree of guaranteeing the valve oil blanket for the position of valve guide, and make whole valve oil blanket pressure equipment device can be applicable to the pressure equipment of the valve oil blanket that is located the valve guide of different positions department on various engines, make its commonality better. In other embodiments, the spiral pull rod 2 can also be in other structural forms.
Specifically, as shown in fig. 1, the connecting member 4 is connected to the helical tension rod 2 through a steering head 3, the steering head 3 is used for swinging the connecting member 4 relative to the helical tension rod 2, and the steering head 3 is connected to the traveling nut, so that when the connecting member 4 is pressed downward, one end of the connecting member 4 connected to the traveling nut can swing through the steering head 3, and the connecting member 4 is prevented from interfering with the traveling nut in the downward movement process. When the connecting piece 4 is pressed downwards, the swing amplitude of one end of the connecting piece 4 connected with the movable nut is small through the steering head 3, and the problem that the whole movable nut moves downwards along the length direction of the pull rod cannot be caused.
In other embodiments, the connection member 4 and the helical tension rod 2 may be connected in an articulated manner, so that the connection member 4 can swing relative to the helical tension rod 2, i.e. the moving nut is connected with the connecting rod in an articulated manner.
Further, as shown in fig. 1, the connecting piece 4 is connected with the press-fitting head 7 through a press rod 6, one end of the press rod 6 is slidably arranged on the connecting piece 4, the other end of the press rod 6 is connected with the press-fitting head 7, and the press rod 6 is arranged in parallel with the spiral pull rod 2; specifically, be provided with the spout on connecting piece 4 along its length direction, valve oil seal pressure equipment device still includes adjusting bolt 5, adjusting bolt 5 is connected with depression bar 6, and adjusting bolt 5 pass the spout and with spout interference fit, so that adjusting bolt 5 can slide in the spout, and adjusting bolt 5 can be limited slip in arbitrary position of spout, so as to can adjust the horizontal distance of pressure equipment head 7 between for the spiral pull rod 2, thereby make whole valve oil seal pressure equipment device can be applicable to the pressure equipment of the valve oil seal of the valve pipe that is located different positions department on the various engines, make its commonality better.
In other embodiments, the valve oil seal press-fitting device further comprises a sliding block, the sliding block is connected with the pressure rod 6, penetrates through the sliding groove and is in interference fit with the sliding groove, so that the sliding block can slide in the sliding groove, and the sliding block can be prevented from sliding at any position of the sliding groove, so that the horizontal distance between the press-fitting head 7 and the spiral pull rod 2 can be adjusted.
Further, the switch magnet 1 and the spiral pull rod 2 are fixed through a fastener. In this embodiment, the fastener is fixing bolt and fixing nut matched with fixing bolt.
The specific process of press fitting the valve oil seal of the valve oil seal press fitting device in the embodiment is as follows: firstly, the switch magnet 1 is opened, so that the switch magnet 1 is magnetically adsorbed on the cylinder cover around the valve guide pipe, and the whole valve oil seal press-fitting device is magnetically adsorbed on the cylinder cover.
Then, the position of the pressure lever 6 on the connecting piece 4 is adjusted according to the relative distance between the switch magnet 1 and the valve guide pipe, the adjusting bolt 5 is slid, the adjusting bolt 5 drives the pressure lever 6 and the press-fitting head 7 to move along the length direction of the connecting piece 4, so that the press-fitting head 7 is arranged over the valve guide pipe in a right alignment manner, and the annular cavity 71, the positioning pin 8 and the valve guide pipe are coaxial.
Then, the movable nut is rotated to enable the movable nut to drive the connecting piece 4 to move downwards relative to the length direction of the pull rod so as to drive the press rod 6, the press-fitting head 7 and the positioning pin 8 to move downwards, so that the positioning pin 8 is abutted to the valve guide pipe and inserted into the valve guide pipe, the connecting piece 4 is pressed downwards, the connecting piece 4 drives the press rod 6 and the press-fitting head 7 to move downwards, and therefore the valve oil seal in the annular cavity 71 moves towards the valve guide pipe, and the valve oil seal is pressed into the valve guide pipe.
Finally, the connecting piece 4 is loosened, the connecting piece 4 returns upwards, and the connecting piece 4 drives the pressure lever 6, the press-fitting head 7 and the positioning pin 8 to move upwards so that the positioning pin 8 is separated from the valve guide pipe; at the moment, the switch magnet 1 is closed so as to detach the whole valve oil seal press-fitting device from the cylinder cover, thereby completing the press-fitting process of the whole valve oil seal.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides a valve oil seal pressure equipment device which characterized in that includes:
a screw rod (1);
the switch magnet (1) is fixedly connected to one end of the spiral pull rod (1), and the switch magnet (1) is used for being selectively and magnetically adsorbed on a cylinder cover of an engine;
a connecting piece (4) which is vertically connected with the spiral pull rod (1), wherein the connecting piece (4) can swing relative to the spiral pull rod (1) and can move along the length direction of the spiral pull rod (1);
press-fitting head (7), its edge the length direction slip setting of connecting piece (4) is in on connecting piece (4), the bottom of press-fitting head (7) is provided with locating pin (8), locating pin (8) are to keeping away from the direction of press-fitting head (7) extends, just locating pin (8) with the valve guide of engine is coaxial, locating pin (8) are used for inserting in the valve guide, the bottom of press-fitting head (7) still is provided with and is used for holding and joint annular chamber (71) of the valve oil blanket of engine, locating pin (8) are located in annular chamber (71) and with annular chamber (71) are coaxial.
2. A valve oil seal press-fitting device according to claim 1, wherein said switch magnet (1) comprises:
a magnetic component;
a switch;
and the control component is in control connection with the magnetic component and is in communication connection with the switch, and the control component is used for receiving an opening and closing signal of the switch and controlling a magnetic circuit of the magnetic component so as to control the switch-on and switch-off of the switch magnet (1).
3. A valve oil seal press-fitting device according to claim 1, wherein said turnbuckle (1) comprises:
the pull rod is provided with an external thread in an annular mode;
and the movable nut is arranged on the pull rod in a penetrating mode, is connected with the connecting piece (4) and is screwed to drive the connecting piece (4) to move along the length direction of the pull rod.
4. A valve oil seal press-fitting device as claimed in claim 3, wherein the connecting member (4) is connected with the spiral pull rod (1) through a steering head (3), the steering head (3) is used for enabling the connecting member (4) to swing relative to the spiral pull rod (1), and the steering head (3) is connected with the moving nut.
5. A valve oil seal press-fitting device according to claim 3, wherein the connecting member (4) is connected to the turnbuckle (1) in an articulated manner so that the connecting member (4) can swing with respect to the turnbuckle (1).
6. A valve oil seal press-fitting device as claimed in claim 1, wherein the connecting piece (4) is connected with the press-fitting head (7) through a compression rod (6), one end of the compression rod (6) is slidably arranged on the connecting piece (4), the other end of the compression rod is connected with the press-fitting head (7), the compression rod (6) and the spiral pull rod (1) are arranged in parallel, and a sliding groove is formed in the connecting piece (4) along the length direction of the connecting piece.
7. A valve oil seal press-fitting device as claimed in claim 6, further comprising:
and the adjusting bolt (5) is connected with the pressure lever (6), and the adjusting bolt (5) penetrates through the sliding groove and is in interference fit with the sliding groove.
8. A valve oil seal press-fitting device as claimed in claim 6, further comprising:
the sliding block is connected with the pressure rod (6) and penetrates through the sliding groove to be in interference fit with the sliding groove.
9. A valve oil seal press-fitting device as claimed in claim 1, wherein said switch magnet (1) and said screw rod (1) are fixed by a fastener.
10. A valve oil seal press-fitting device as claimed in claim 9, wherein said fastening member is a fixing bolt and a fixing nut fitted with said fixing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120681996.2U CN215093310U (en) | 2021-04-02 | 2021-04-02 | Valve oil seal press-fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120681996.2U CN215093310U (en) | 2021-04-02 | 2021-04-02 | Valve oil seal press-fitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215093310U true CN215093310U (en) | 2021-12-10 |
Family
ID=79347034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120681996.2U Active CN215093310U (en) | 2021-04-02 | 2021-04-02 | Valve oil seal press-fitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215093310U (en) |
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2021
- 2021-04-02 CN CN202120681996.2U patent/CN215093310U/en active Active
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