CN112223212B - Check valve assembling tool and using method thereof - Google Patents
Check valve assembling tool and using method thereof Download PDFInfo
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- CN112223212B CN112223212B CN202011231152.4A CN202011231152A CN112223212B CN 112223212 B CN112223212 B CN 112223212B CN 202011231152 A CN202011231152 A CN 202011231152A CN 112223212 B CN112223212 B CN 112223212B
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- hole
- pressure head
- base
- check valve
- spring seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/24—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a check valve assembling tool and a using method thereof, relates to the technical field of check valve assembling, and solves the problems that a spring seat is inclined and is not easy to be coaxial with a valve seat during assembling, so that the assembling is extremely difficult, waste products are easy to generate, and the efficiency is low. The pressure head device comprises a base, wherein the base is provided with axial holes penetrating through two ends of the base and side holes penetrating through two sides of the base, each axial hole comprises a first hole and a second hole, a pressure head movably inserted along the length direction of the first hole is arranged in each first hole, a check valve is accommodated in each second hole, and the side holes at two sides are all penetrated through the first holes; auxiliary positioning sheets movably inserted along the length direction of the side holes are arranged in the side holes at the two sides; one end of each auxiliary positioning sheet close to each other is abutted against the periphery of the upper spring seat of the one-way valve; one end of the pressure head, which is close to the first hole, is provided with a guide pin which is abutted against the spring seat. The auxiliary function through auxiliary positioning piece, uide pin has been reached for assembly work easy operation at the check valve equipment, reliable, efficient effect.
Description
Technical Field
The invention relates to the technical field of check valve assembly, in particular to a check valve assembly tool and a using method thereof.
Background
Currently, in an automotive ESC (body stability control system), a check valve is installed between a low pressure accumulator and an inlet of a plunger pump, and mainly functions to prevent brake fluid in a master cylinder from flowing into the low pressure accumulator and to allow the brake fluid in the low pressure accumulator to flow into the inlet of the plunger pump. As shown in fig. 1, the check valve consists of a valve seat, a steel ball, a check valve spring and a spring seat, wherein one end of the check valve spring pushes the steel ball to abut against the valve seat, the other end of the check valve spring is connected with the spring seat, and the spring seat is pressed in the valve seat; the structure is simple and the performance is reliable.
However, because the size of the part is small, a large space is formed between the outer diameter of the spring and the inner hole of the valve seat in the radial direction, and due to the elastic action of the spring, the spring seat is inclined during assembly and is not easy to be coaxial with the valve seat, so that the assembly is extremely difficult, waste products are easy to generate, and the efficiency is low.
Disclosure of Invention
The invention aims to provide a check valve assembling tool, which enables the assembling work of the check valve assembling to be simple and reliable in operation and high in efficiency through the auxiliary action of an auxiliary positioning sheet and a guide pin.
The technical purpose of the invention is realized by the following technical scheme:
a check valve assembling tool comprises a base, wherein the base is provided with axial holes penetrating through two ends of the base and side holes penetrating through two sides of the base, each axial hole comprises a first hole and a second hole, a pressure head movably inserted along the length direction of the first hole is arranged in each first hole, a check valve is accommodated in each second hole, and the side holes at two sides penetrate through the first holes;
auxiliary positioning sheets movably inserted along the length direction of the side holes are arranged in the side holes at the two sides; one end of each auxiliary positioning sheet close to each other is abutted against the periphery of the upper spring seat of the one-way valve; one end of the pressure head, which is close to the first hole, is provided with a guide pin which is abutted against the spring seat.
Furthermore, the guide pin comprises a positioning block at one end close to the second hole, and the positioning block can extend into the inner hole of the spring seat.
Furthermore, the pressure head is axially provided with a first step hole and a second step hole in a penetrating manner, the first step hole is positioned at one end of the pressure head, which is far away from the second step hole, the inner diameter of the first step hole is larger than that of the second step hole, and a step surface is formed between the first step hole and the second step hole.
The pressure head includes inside uide pin, elastic component and end cap, the uide pin contains the guide bar and connects the fender head in the guide bar outer end, two looks adaptations of guide bar and step, and the fender head activity is held in step one hole.
The plug is detachably connected in the first hole of the step, and the elastic piece is abutted between the plug and the stop head of the guide pin.
Furthermore, the elastic element comprises a compression spring abutting between the plug and the stop of the guide pin.
Further, the plug includes a set screw threadedly coupled within a bore of the step.
Furthermore, one end of the auxiliary positioning sheet close to each other is provided with a groove matched with the periphery of the upper spring seat of the one-way valve.
Furthermore, the auxiliary positioning sheet is provided with a stop block, and when the stop block abuts against the outer periphery of the base, the inner end of the auxiliary positioning sheet abuts against the outer periphery of the spring seat.
The invention also aims to provide a use method of the check valve assembling tool, and the assembling work of the check valve assembling tool is simple and reliable in operation and high in efficiency.
The technical purpose of the invention is realized by the following technical scheme:
a use method of a check valve assembly tool comprises the following steps:
step S10, assembling the check valve assembling tool;
step S20, preassembling the check valve and placing the check valve into the second hole of the base;
step S30, inserting the two auxiliary positioning sheets into the corresponding side holes of the base and pushing the auxiliary positioning sheets to the central position to pre-position the spring seat and the valve seat;
step S40, placing the pressure head into the first hole of the base to ensure the contact between the guide pin and the inner hole of the spring seat, so that the spring seat and the valve seat are coaxial;
step S50, pushing the pressure head to move towards the direction of the second hole of the base, and stopping when the pressure head does not move any more;
step S60, two auxiliary positioning pieces are drawn out from the side holes of the base;
and step S70, the pressure head is pushed to move continuously towards the direction of the second hole of the base until the spring seat is pressed into the one-way valve.
Further, step S10 specifically includes:
step S11, the guide pin is put into the pressure head, so that the step two hole of the pressure head is sleeved on the guide rod of the guide pin;
step S12, placing the compression spring into the first hole of the step of the pressure head;
and step S13, screwing the set screw into the step one hole of the pressure head and ensuring that the compression spring has certain pre-pressure.
Still further, step S80 is also included: the pressure on the pressure head is removed, then the base is lifted, the pressure head is pressed down, and the one-way valve is separated from the base.
In conclusion, the invention has the following beneficial effects:
through the auxiliary action of the auxiliary positioning sheet and the guide pin, the assembly work of the one-way valve assembly is simple and reliable in operation and high in efficiency.
Drawings
FIG. 1 is a cross-sectional view of the check valve assembly tool with the components of the check valve inserted therein according to the present invention;
FIG. 2 is a schematic view of the structure of the auxiliary positioning plate of the present invention;
FIG. 3 is a cross-sectional view of the present invention in which the spring seat and the valve seat are coaxially aligned by the guide pin and the auxiliary spacers;
FIG. 4 is a cross-sectional view of the present invention with the auxiliary splines removed;
FIG. 5 is a cross-sectional view of the head in contact with the valve seat of the present invention;
fig. 6 is a cross-sectional view of the assembled check valve of the present invention.
In the figure, 1, a base; 2. a pressure head; 3. a compression spring; 4. tightening the screw; 5. a guide pin; 6.1, a first positioning sheet; 6.2, a second positioning sheet; 7.1, a first stop block; 7.2, a second stop block; 8. a valve seat; 9. a steel ball; 10. a check valve spring; 11. a spring seat.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings, and the present embodiment is not to be construed as limiting the invention.
The utility model provides a check valve assembling tool, as shown in figure 1, includes base 1, is equipped with the axial hole and the side opening that the level link up its both sides that link up its upper and lower both ends on base 1, and the axial hole includes first hole and the second hole of coaxial setting, and first hole site is equipped with in upper portion and is equipped with along its length direction activity male pressure head 2, and the second hole site has accommodated the check valve in the lower part and, and the both sides side opening all link up first hole.
As shown in fig. 1 and 2, the side holes at both sides are respectively provided with an auxiliary positioning sheet movably inserted along the length direction, and one end of the auxiliary positioning sheet close to each other abuts against the periphery of the upper spring seat 11 of the one-way valve; one end of the auxiliary positioning sheet close to each other is provided with a semicircular groove matched with the periphery of the upper spring seat 11 of the one-way valve.
As shown in FIG. 2, the auxiliary positioning plate is provided with a stop, and when the stop abuts against the outer periphery of the base 1, the semicircular groove at the inner end of the auxiliary positioning plate abuts against the outer periphery of the spring seat 11.
In the embodiment, in order to further improve the assembling and fixing effects of the stop block and the auxiliary positioning plate, a through hole penetrates through the auxiliary positioning plate, the stop block is a cylindrical pin, and the cylindrical pin is inserted into the through hole of the auxiliary positioning plate in an interference fit manner; the two auxiliary locating pieces are respectively a first locating piece 6.1 and a second locating piece 6.2 which are oppositely arranged, the first locating piece 6.1 is connected with a first stop dog 7.1, and the second locating piece 6.2 is connected with a second stop dog 7.2.
As shown in fig. 1, a first step hole and a second step hole axially penetrate through the pressure head 2, the first step hole is located at one end of the pressure head 2, which is far away from the second step hole, the inner diameter of the first step hole is larger than that of the second step hole, and a step surface is formed between the first step hole and the second step hole.
The plug is detachably connected in the hole in the step, and the elastic piece is abutted between the plug and the stop head of the guide pin 5; in this embodiment, in order to prevent the compression spring 3 and the guide pin 5 from being separated from the pressure head 2 during use, the elastic member includes the compression spring 3 abutted between the plug and the stopper of the guide pin 5, and the plug includes a set screw 4 screwed into a hole of the step.
As shown in fig. 1, in order to further ensure the use effect of the guide pin 5 in the process of assembling the check valve, the guide pin 5 includes a positioning block at one end thereof far away from the stopper, and the outer end of the positioning block is provided with a chamfer and can extend into the inner hole of the spring seat 11, so as to improve the positioning effect.
The using method comprises the following steps:
step S10, assembling the check valve assembling tool;
the method specifically comprises the following steps:
step S11, the guide pin 5 is placed into the pressure head 2, so that the step two hole of the pressure head 2 is sleeved on the guide rod of the guide pin 5;
step S12, placing the compression spring 3 into a step hole of the pressure head 2;
step S13, screwing the set screw 4 into the first hole of the step of the pressure head 2, and ensuring that the compression spring 3 has certain pre-pressure;
in step S14, the cylindrical pins (the first stopper 7.1 and the second stopper 7.2) are respectively assembled with the auxiliary positioning pieces (the first positioning piece 6.1 and the second positioning piece 6.2).
Step S20, preassembling the check valve and placing the check valve into the second hole of the base 1;
step S30, as shown in FIG. 3, inserting two auxiliary positioning pieces (a first positioning piece 6.1 and a second positioning piece 6.2) into corresponding side holes of the base 1, and simultaneously pushing to the central position until a cylindrical pin on the auxiliary positioning pieces abuts against the periphery of the base 1, so that semicircular grooves at the inner ends of the two auxiliary positioning pieces abut against the outside of the spring seat 11 for positioning, the spring seat 11 and the valve seat 8 are pre-positioned, and the coaxial state is maintained;
step S40, the pressure head 2 is placed downwards into the first hole of the base 1, and a positioning block on the guide pin 5 is ensured to be inserted into the inner hole of the spring seat 11 for positioning, so that the spring seat 11 and the valve seat 8 are coaxial;
step S50, pushing the pressure head 2 to move towards the direction of the second hole of the base 1 until the pressure head 2 abuts against the upper part of the auxiliary positioning sheet and stops moving;
step S60, as shown in fig. 4, moving the two auxiliary positioning pieces (the first positioning piece 6.1 and the second positioning piece 6.2) away from the center, and drawing out the auxiliary positioning pieces from the side holes of the base 1;
step S70, as shown in FIG. 5, the pressure head 2 is pushed to move continuously towards the second hole of the base 1 until the spring seat 11 is pressed into the check valve and the pushing force reaches the required value;
step S80: as shown in fig. 6, the pressure on the pressure head 2 is removed, the base 1 is lifted, the pressure head 2 is manually pressed, and the check valve is separated from the base 1 by the self-weight.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention.
Claims (8)
1. A check valve assembly tool, characterized in that: the pressure head device comprises a base (1), wherein axial holes penetrating through two ends of the base (1) and side holes penetrating through two sides of the base are formed in the base (1), each axial hole comprises a first hole and a second hole, a pressure head (2) movably inserted in the first hole along the length direction of the first hole is arranged in the first hole, a check valve is accommodated in the second hole, and the side holes at two sides penetrate through the first hole;
auxiliary positioning sheets movably inserted along the length direction of the side holes are arranged in the side holes at the two sides; one end of each auxiliary positioning sheet close to each other is abutted against the periphery of the upper spring seat (11) of the one-way valve; one end of the pressure head (2) close to the first hole is provided with a guide pin (5) which is abutted against the spring seat (11);
the guide pin (5) comprises a positioning block close to one end of the second hole, and the positioning block can extend into an inner hole of the spring seat (11);
a first step hole and a second step hole axially penetrate through the pressure head (2), the first step hole is positioned at one end, far away from the second hole, of the pressure head (2), the inner diameter of the first step hole is larger than that of the second step hole, and a step surface is formed between the first step hole and the second step hole;
the pressure head (2) comprises an internal guide pin (5), an elastic piece and a plug, wherein the guide pin (5) comprises a guide rod and a stopper connected to the outer end of the guide rod, the guide rod is matched with the second hole of the step, and the stopper is movably accommodated in the first hole of the step;
the plug is detachably connected in the first hole of the step, and the elastic piece is abutted between the plug and the stop head of the guide pin (5).
2. A check valve assembly tool as recited in claim 1, wherein: the elastic element comprises a compression spring (3) which is abutted between the plug and the stop head of the guide pin (5).
3. A check valve assembly tool as claimed in claim 1 or 2, wherein: the plug comprises a set screw (4) which is in threaded connection with a hole in the step.
4. A check valve assembly tool as recited in claim 1, wherein: one end of the auxiliary positioning sheet close to each other is provided with a groove matched with the periphery of the upper spring seat (11) of the one-way valve.
5. A check valve assembly tool as claimed in claim 1 or 4, wherein: the auxiliary positioning piece is provided with a stop block, when the stop block abuts against the outer periphery of the base (1), the inner end of the auxiliary positioning piece abuts against the outer periphery of the spring seat (11).
6. The use method of the check valve assembly tool based on claim 1, characterized in that: the method comprises the following steps:
step S10, assembling the check valve assembling tool;
step S20, preassembling the check valve and placing the check valve into the second hole of the base (1);
step S30, inserting the two auxiliary positioning pieces into corresponding side holes of the base (1) and pushing the auxiliary positioning pieces to the central position to pre-position the spring seat (11) and the valve seat (8);
step S40, placing the pressure head (2) into the first hole of the base (1) to ensure that the guide pin (5) is in contact with the inner hole of the spring seat (11) so that the spring seat (11) and the valve seat (8) are coaxial;
step S50, pushing the pressure head (2) to move towards the direction of the second hole of the base (1) and stopping when the pressure head does not move any more;
step S60, two auxiliary positioning pieces are drawn out from the side holes of the base (1);
and step S70, the pressure head (2) is pushed to continue to move towards the direction of the second hole of the base (1) until the spring seat (11) is pressed into the one-way valve.
7. The use of the one-way valve assembly tool of claim 6, wherein: step S10 specifically includes:
step S11, placing the guide pin (5) into the pressure head (2) to enable the step two holes of the pressure head (2) to be sleeved on the guide rod of the guide pin (5);
step S12, placing the compression spring (3) into a step hole of the pressure head (2);
and step S13, screwing the set screw (4) into the step one hole of the pressure head (2) and ensuring that the compression spring (3) has certain pre-pressure.
8. The use of the one-way valve assembly tool of claim 6, wherein:
further comprising step S80: the pressure on the pressure head (2) is removed, then the base (1) is lifted, the pressure head (2) is pressed down, and the one-way valve is separated from the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011231152.4A CN112223212B (en) | 2020-11-06 | 2020-11-06 | Check valve assembling tool and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011231152.4A CN112223212B (en) | 2020-11-06 | 2020-11-06 | Check valve assembling tool and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112223212A CN112223212A (en) | 2021-01-15 |
| CN112223212B true CN112223212B (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011231152.4A Active CN112223212B (en) | 2020-11-06 | 2020-11-06 | Check valve assembling tool and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112223212B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19601853C1 (en) * | 1996-01-19 | 1997-04-30 | Werner Weitner | Method for inserting and removing valve spring retainers |
| JP3942228B2 (en) * | 1997-04-04 | 2007-07-11 | 三洋機工株式会社 | Spring insertion device |
| US9523328B2 (en) * | 2014-02-26 | 2016-12-20 | Ford Global Technologies, Llc | System, method and tooling for flexible assembly of cylinder-head valve trains |
| CN204171623U (en) * | 2014-05-28 | 2015-02-25 | 天津鹏翎胶管股份有限公司 | A kind of equipment assembling the built-in check valve of sebific duct |
| CN204053403U (en) * | 2014-08-25 | 2014-12-31 | 宁波凯迪利电器有限公司 | A kind of latch assembly machine |
| CN106312904B (en) * | 2016-08-25 | 2018-09-07 | 吴忠仪表有限责任公司 | Deep water valve assembles compression set with hydraulic pressure single-acting actuator spring |
| CN107443299B (en) * | 2017-08-31 | 2019-08-27 | 简式国际汽车设计（北京）有限公司 | A kind of O-ring assembly tool |
| CN107932420A (en) * | 2017-12-26 | 2018-04-20 | 合肥得润电子器件有限公司 | A kind of frock for aiding in snap ring installation |
| CN209532611U (en) * | 2018-12-11 | 2019-10-25 | 天津银河阀门有限公司 | The integrated indentation assembly machine of a kind of centre-pivoted butterfly valve valve seat, valve plate |
-
2020
- 2020-11-06 CN CN202011231152.4A patent/CN112223212B/en active Active
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| Publication number | Publication date |
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| CN112223212A (en) | 2021-01-15 |
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