CN214288891U - External spring is from locking-type press pump - Google Patents
External spring is from locking-type press pump Download PDFInfo
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- CN214288891U CN214288891U CN202023161834.0U CN202023161834U CN214288891U CN 214288891 U CN214288891 U CN 214288891U CN 202023161834 U CN202023161834 U CN 202023161834U CN 214288891 U CN214288891 U CN 214288891U
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Abstract
The utility model discloses an external spring self-locking pressing pump, which comprises a pump body, a pressing head, an upper pump rod, a piston, a lock bottle cap and a locking cover, wherein the pump body comprises an upper cavity and a lower cavity with a ladder structure, the locking cover comprises a clamping part clamped and fixed at the lower part of the upper cavity, a locking part extending upwards into the upper cavity and a limiting part extending downwards into the lower cavity, the locking cover is hollow, the upper pump rod is positioned at the inner side of the locking cover, the upper end of the upper pump rod passes through the locking cover to be connected with the pressing head, the lower end passes through the locking cover to be connected with the piston, the outer side of the upper pump rod is sleeved with the spring, the spring is arranged in the locking cover, the lower part of the locking cover is provided with a supporting part protruding inwards for supporting the spring, the outer side surface of the upper part of the upper pump rod is provided with a jacking boss for jacking the spring to jack upwards, the lower end of the lower cavity in the pump body is provided with a one-way valve for liquid to enter, a locking device capable of locking the pressing head to make the pressing head unable to press down is arranged between the locking cover and the pressing head, simple structure, the pump core can be independently come out, and it is nimble convenient to use.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an external spring is from locking-type press pump.
[ background of the invention ]
The existing pressing pump mostly adopts the structural design of a built-in spring, and a metal spring is in direct contact with a material body, so that the metal spring is easy to corrode and is not environment-friendly enough. The push pump is generally of an integral structure, namely the pump core, the lock bottle cap and the press head are assembled and fixed, and the lock bottle cap is fixed on the pump core through an outer lock cap, an inner lock cap and the like during assembly, so that the push pump is not flexible to use. Or when the push pump is integrally assembled, the locking structure is usually arranged inside the upper pump rod and the locking cover, so that the manufacturing cost of parts is high.
The present invention is made based on such a situation.
[ Utility model ] content
The utility model aims at overcoming the defects of the prior art, providing an external spring self-locking type pressing pump which has the characteristics of simple structure, sanitation, safety, flexible use and low manufacturing cost.
The utility model discloses a realize through following technical scheme:
an external spring self-locking pressing pump comprises a pump body, a pressing head, an upper pump rod, a piston, a lock bottle cap and a locking cap, wherein the pump body comprises an upper cavity and a lower cavity which are of a stepped structure, the locking cap comprises a clamping portion fixed at the lower portion of the upper cavity in a clamping mode, a locking portion extending upwards into the upper cavity and a limiting portion extending downwards into the lower cavity, the locking cap is hollow, the upper pump rod is located on the inner side of the locking cap, the upper end of the upper pump rod penetrates through the locking cap to be connected with the pressing head, the lower end of the upper pump rod penetrates through the locking cap to be connected with the piston, a spring is sleeved on the outer side of the upper pump rod and arranged in the locking cap, a supporting portion protruding inwards to support the spring is arranged on the lower portion of the locking cap, a jacking boss for the spring to jack upwards is arranged on the outer side face of the upper portion of the upper pump rod, a check valve for liquid to enter is arranged at the lower end of the lower cavity in the pump body, and a locking device which can lock the press head to prevent the press head from being pressed down is arranged between the locking cover and the press head.
The external spring self-locking type pressing pump comprises an inner cylinder and an outer cylinder, wherein the inner cylinder is connected with an upper pump rod and can move up and down in a locking part, the outer cylinder is sleeved outside the locking part, a gap for the outer cylinder to slide up and down is reserved between the inner wall of the upper chamber and the locking part, a guide plate is arranged between the inner cylinder and the outer cylinder, a guide groove for the guide plate to move up and down is arranged on the locking part, the upper end of the locking part is provided with a locking step for the guide plate to rotate and be clamped in to limit the downward movement of the guide plate when the press head is popped, the locking step is provided with a locking boss which prevents the guide plate from automatically falling out of the locking step and falling into the guide groove, the other side of the locking step positioned on the locking lug boss is provided with a baffle plate for blocking the guide plate from rotating, the locking step, the locking boss, the baffle plate and the guide plate form a locking device to lock the press head on the locking cover.
The external spring self-locking type pressing pump is characterized in that a guide angle is arranged between the locking step and the guide groove, the piston is provided with an inner sleeve capable of pressing against the bottom of the supporting part when the pressing head bounces, when the pressing head bounces and rotates, the guide plate slides into the locking step along the guide angle, and the inner sleeve is pressed against the bottom of the supporting part.
The external spring self-locking pressing pump is characterized in that the inner diameter of an upper cavity of the pump body is larger than that of a lower cavity of the pump body, an annular boss protruding inwards is arranged at the lower part of the upper cavity, an annular buckling groove recessed laterally is arranged at the position, below the boss, of the bottom of the upper cavity, the boss and the buckling groove are connected up and down to form an S-shaped buckling structure, a buckling ring buckled into the buckling groove and a concave ring for clamping the boss are arranged on the outer side of the clamping part, and a plurality of ribs in interference fit with the locking cover are arranged above the boss in the pump body at intervals in the circumferential direction and used for preventing the locking cover and the pump body from rotating and loosening.
The external spring self-locking type pressing pump is characterized in that the upper pump rod is hollow, the lower end of the upper pump rod is closed, the lower portion of the upper pump rod is provided with a side opening communicated with the inside of the upper pump rod, an upper limiting table and a lower limiting table are arranged above and below the side opening on the upper pump rod, a movable sleeve capable of moving up and down between the upper limiting table and the lower limiting table is arranged on the piston, a sealing ring capable of being matched with the lower limiting table to realize sealing connection is arranged at the lower end of the movable sleeve, and when the lower limiting table presses the sealing ring upwards, the communication between the inside of the upper pump rod and the lower chamber is cut off; when the upper pump rod moves downwards, the lower limiting table is separated from the sealing ring downwards, the upper pump rod is communicated with the lower cavity through the side opening, the upper limiting table can be pressed at the upper end of the movable sleeve after moving downwards for a certain distance to push the piston to move downwards together, when the upper limiting table is pressed at the upper end of the movable sleeve, the upper limiting table and the movable sleeve are in sealed connection, and the upper end of the piston is provided with a convex ring which protrudes inwards and is in interference fit with the outer side wall of the upper pump rod to be in sealed connection.
The external spring self-locking type pressing pump comprises a ball, and the check valve comprises a ball.
According to the external spring self-locking type pressing pump, the sealing gasket is arranged on the inner side of the bottle locking cover, and the lower end of the pump body is connected with the suction pipe.
Compared with the prior art, the utility model discloses there is following advantage:
1. the utility model discloses simple structure, the component is few, easily equipment, low in manufacturing cost.
2. The utility model discloses a press the pump by the pump body, go up the pump pole, a piston, the locking lid, the pump core that spring and check valve are constituteed, the locking lid passes through joint portion and pump body fixed, the spring is located the locking lid and inject between supporting part and roof pressure boss, the piston cover is on last pump pole and roof pressure when the spring bounces last pump pole in locking lid bottom and prevent to go up pump pole and spring and deviate from, thereby form a pump core that can independent storage and transportation, make the pump core can regard as a standard component, so that can match different press head and lock bottle lid as required in the follow-up production assembling process, satisfy the demand of different customers and use occasion, increase the flexibility of using, reduce product development and manufacturing cost.
3. The channel for conveying the material body is positioned in the upper pump rod, and the spring is positioned outside the upper pump rod, so that the contact between the spring and the material body can be avoided, the material body can be prevented from being corroded and polluted, and the corrosion of the metallic spring can also be avoided.
4. Regarding locking device, the button includes inner tube and urceolus, the inner tube is connected with last pump rod and can be in the locking portion activity from top to bottom, the urceolus cover is established in the locking portion outside, leave the gliding clearance from top to bottom that supplies the urceolus between last cavity inner wall and the locking portion, be equipped with the deflector between inner tube and the urceolus, be equipped with the guide way that supplies the deflector activity from top to bottom in the locking portion, the locking portion upper end is equipped with and supplies the rotatory card of deflector to go into and restrict the locking step of deflector downstream when the button bounces, be equipped with on the locking step and prevent that the deflector from deviating from the locking step by oneself and fall into the locking boss in the guide way, the opposite side that the locking step is located the locking boss is equipped with and is used for blockking the rotatory baffle of deflector, locking step, locking boss, baffle and deflector constitute locking device will be in the button locking and cover, the locking device is arranged at the upper end of the locking cover and the lower end of the press head, the structure is simple, the corresponding parts are easy to manufacture, and the cost is reduced.
[ description of the drawings ]
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is an exploded view of the external spring self-locking type pressing pump of the present invention;
fig. 2 is a cross-sectional view of the self-locking pressing pump with an external spring in a self-locking state;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a schematic view of a button;
fig. 5 is a schematic structural view of the locking cover.
[ detailed description ] embodiments
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1 to 5, an external spring self-locking pressing pump includes a pump body 1, a pressing head 2, an upper pump rod 3, a piston 4, a locking cover 5 and a locking cover 6, where the pump body 1 includes an upper chamber 11 and a lower chamber 12 having a stepped structure, the locking cover 6 includes a clamping portion 61 clamped and fixed at a lower portion of the upper chamber 11, a locking portion 62 extending upward into the upper chamber 11, and a limiting portion 63 extending downward into the lower chamber 12, the locking cover 6 is hollow, the upper pump rod 3 is located inside the locking cover 6, an upper end of the upper pump rod 3 passes through the locking cover 6 and is connected with the pressing head 2, a lower end of the upper pump rod passes through the locking cover 6 and is connected with the piston 4, a spring 7 is sleeved outside the upper pump rod 3, the spring 7 is arranged inside the locking cover 6, a supporting portion 64 protruding inward to support the spring 7 is arranged at a lower portion of the locking cover 6, a pressing boss 31 for pressing the spring 7 upward is arranged on an outer side surface of an upper portion of the upper pump rod 3, the lower extreme that lies in cavity 12 down in the pump body 1 is equipped with the check valve 8 that supplies liquid to get into, check valve 8 includes ball 81, be equipped with between locking lid 6 and the button 2 and can make its locking device that can't press with the button 2 locking, 5 inboards of lock bottle lid are equipped with sealed pad 9, 1 lower extreme of the pump body is connected with straw 10, simple structure, easily manufacturing.
The pressing pump comprises a pump body 1, an upper pump rod 3, a piston 4, a locking cover 6, a spring 7 and a pump core consisting of a one-way valve 8, wherein the locking cover 6 is fixed with the pump body 1 through a clamping part 61, the spring 7 is positioned in the locking cover 6 and limited between a supporting part 64 and a jacking boss 31, the piston 4 is sleeved on the upper pump rod 3 and jacked at the bottom of the locking cover 6 when the spring 7 bounces the upper pump rod 3 to prevent the upper pump rod 3 and the spring from being separated, so that the pump core capable of being stored and transported independently is formed and can be used as a standard component, so that different pressing heads and locking bottle caps can be matched according to needs in the subsequent production and assembly processes, the requirements of different customers and use occasions are met, the use flexibility is increased, and the product development and manufacturing cost is reduced.
In addition, the channel for conveying the material body is positioned inside the upper pump rod 3, and the spring 7 is positioned outside the upper pump rod 3, so that the contact between the spring 7 and the material body can be avoided, the corrosion and pollution of the material body can be avoided, and the corrosion of a metallic spring can also be avoided.
Press head 2 to include inner tube 21 and urceolus 22, inner tube 21 is connected with last pump rod 3 and can move about from top to bottom in locking portion 62, urceolus 22 cover is established in the 62 outsides of locking portion, it supplies urceolus 22 gliding clearance from top to bottom to leave between 11 inner walls of last cavity and the locking portion 62, be equipped with deflector 23 between inner tube 21 and the urceolus 22, be equipped with the guide way 621 that supplies deflector 23 activity from top to bottom on the locking portion 62, locking portion 62 upper end is equipped with and supplies deflector 23 rotation card to go into and restrict the locking step 622 of deflector 23 downstream when according to head 2 bounce, be equipped with on the locking step 622 and prevent that deflector 23 from deviating from the locking step 623 that locking step 622 falls into guide way 621 by oneself, the opposite side that locking step 622 is located locking step 623 is equipped with and is used for blockking up the rotatory baffle 624 of deflector 23, locking step 622, locking step 623, The baffle 624 and the guide plate 23 form a locking device to lock the button 2 on the locking cover 6, the locking device is arranged at the upper end of the locking cover 6 and the lower end of the button, the structure is simple, the corresponding parts are easy to manufacture, and the cost is reduced.
A guide angle 625 is arranged between the locking step 622 and the guide groove 621, the piston 4 is provided with an inner sleeve 41 which can be pressed against the bottom of the support part 64 when the press head 2 is bounced, when the press head 2 bounces and rotates, the guide plate 23 slides into the locking step 622 along the guide angle 625, the inner sleeve 41 is pressed against the bottom of the support part 64, so that after self-locking, the press head, the upper pump rod, the piston and the locking cover can be tightly locked together, and the stability of the locking state is improved.
The inner diameter of the upper cavity 11 of the pump body 1 is larger than that of the lower cavity 12, the lower part of the upper cavity 11 is provided with an annular boss 14 protruding inwards, the bottom of the upper cavity 11 is positioned below the boss 14, an annular buckling groove 13 recessed inwards in the lateral direction is formed, the boss 14 and the buckling groove 13 are connected up and down to form an S-shaped buckling structure, the outer side of the clamping portion 61 is provided with a buckling ring 611 buckled into the buckling groove 13 and a concave ring 612 for clamping the boss 14, a plurality of ribs 15 in interference fit with the locking cover 6 are arranged above the boss 14 in the pump body 1 at intervals along the circumferential direction, the structure is simple, the fixation is firm, and the mutual rotation and loosening between the locking cover 6 and the pump body 1 can be prevented.
The upper pump rod 3 is hollow and the lower end of the upper pump rod is closed, the lower part of the upper pump rod 3 is provided with a side opening 32 communicated with the inside of the upper pump rod 3, an upper limit table 33 and a lower limit table 34 are arranged above and below the side opening 32 on the upper pump rod 3, a movable sleeve 42 capable of moving up and down between the upper limit table 33 and the lower limit table 34 is arranged on the piston 4, a sealing ring 43 capable of being matched with the lower limit table 34 to realize sealing connection is arranged at the lower end of the movable sleeve 42, and the communication between the inside of the upper pump rod 3 and the lower chamber 12 is cut off when the lower limit table 34 presses upwards on the sealing ring 43; when the upper pump rod 3 moves downwards, the lower limit table 34 is separated from the sealing ring 43 downwards, the upper pump rod 3 is communicated with the lower chamber 12 through the side opening 32, the upper limit table 33 can be pressed on the upper end of the movable sleeve 42 after moving downwards for a certain distance to push the piston 4 to move downwards together, when the upper limit table 33 is pressed on the upper end of the movable sleeve 42, the upper limit table and the movable sleeve are connected in a sealing mode, the upper end of the piston 4 is provided with a convex ring 44 which protrudes inwards and is in interference fit with the outer side wall of the upper pump rod 3 to be connected in a sealing mode, the structure is simple, the structure of the lower pump rod is omitted, components are few, the assembly is convenient, and the cost is reduced.
Claims (7)
1. The utility model provides an external spring is from locking-type press pump which characterized in that: including the pump body (1), press head (2), go up pump rod (3), piston (4), lock bottle lid (5) and locking lid (6), the pump body (1) is including ladder structure's last cavity (11) and lower cavity (12), locking lid (6) are fixed in joint portion (61) of the lower part of last cavity (11) including the joint to and upwards stretch into locking portion (62) in last cavity (11) and stretch into spacing portion (63) in lower cavity (12) downwards, locking lid (6) cavity and go up pump rod (3) and be located locking lid (6) inboard, go up pump rod (3) upper end and pass locking lid (6) and be connected according to head (2), the lower extreme passes locking lid (6) and is connected with piston (4), it is connected to go up pump rod (3) outside spring (7), spring (7) are established in locking lid (6), locking lid (6) lower part is equipped with supporting part (64) that the supporting spring (7) are used for supporting to the interior protrusion, the outer side surface of the upper part of the upper pump rod (3) is provided with a jacking boss (31) for a spring (7) to jack upwards, the lower end of the lower cavity (12) in the pump body (1) is provided with a one-way valve (8) for liquid to enter, and a locking device capable of locking the press head (2) so that the press head cannot be pressed down is arranged between the locking cover (6) and the press head (2).
2. The self-locking external spring pressing pump according to claim 1, wherein: the pressing head (2) comprises an inner cylinder (21) and an outer cylinder (22), the inner cylinder (21) is connected with an upper pump rod (3) and can move up and down in a locking part (62), the outer cylinder (22) is sleeved on the outer side of the locking part (62), a gap for the outer cylinder (22) to slide up and down is reserved between the inner wall of an upper cavity (11) and the locking part (62), a guide plate (23) is arranged between the inner cylinder (21) and the outer cylinder (22), a guide groove (621) for the guide plate (23) to move up and down is arranged on the locking part (62), a locking step (622) for the guide plate (23) to be rotationally clamped into and limit the guide plate (23) to move down when the pressing head (2) is bounced is arranged at the upper end of the locking part (62), a locking boss (623) for preventing the guide plate (23) from falling into the guide groove (621) by being separated from the self-locking step (622) is arranged on the locking step (622), a baffle plate (624) for blocking the guide plate (23) from rotating is arranged on the other side, located on the locking boss (623), of the locking step (622), and the locking step (622), the locking boss (623), the baffle plate (624) and the guide plate (23) form a locking device for locking the press head (2) on the locking cover (6).
3. The self-locking external spring pressing pump according to claim 2, wherein: a guide angle (625) is arranged between the locking step (622) and the guide groove (621), the piston (4) is provided with an inner sleeve (41) which can be pressed against the bottom of the supporting part (64) when the pressing head (2) is bounced, when the pressing head (2) bounces and rotates, the guide plate (23) slides into the locking step (622) along the guide angle (625), and the inner sleeve (41) is pressed against the bottom of the supporting part (64).
4. The self-locking external spring pressing pump according to claim 1, wherein: the pump body (1) is characterized in that the inner diameter of an upper cavity (11) of the pump body is larger than the inner diameter of a lower cavity (12), an annular boss (14) protruding inwards is arranged at the lower part of the upper cavity (11), an annular buckling groove (13) recessed laterally is arranged below the boss (14) at the bottom of the upper cavity (11), the boss (14) and the buckling groove (13) are connected up and down to form an S-shaped buckling structure, a buckling ring (611) buckled into the buckling groove (13) is arranged on the outer side of a clamping part (61), and a concave ring (612) clamped into the boss (14) is provided, a plurality of ribs (15) in interference fit with a locking cover (6) are arranged above the boss (14) in the pump body (1) at intervals along the circumferential direction, and are used for preventing the locking cover (6) and the pump body (1) from rotating and loosening.
5. The self-locking external spring pressing pump according to claim 1, wherein: the upper pump rod (3) is hollow, the lower end of the upper pump rod is closed, a side opening (32) communicated with the interior of the upper pump rod (3) is formed in the lower portion of the upper pump rod (3), an upper limiting table (33) and a lower limiting table (34) are arranged above and below the side opening (32) on the upper pump rod (3), a movable sleeve (42) capable of moving up and down between the upper limiting table (33) and the lower limiting table (34) is arranged on the piston (4), a sealing ring (43) capable of being matched with the lower limiting table (34) to achieve sealing connection is arranged at the lower end of the movable sleeve (42), and the interior of the upper pump rod (3) is communicated with the lower cavity (12) when the lower limiting table (34) presses up on the sealing ring (43); when the upper pump rod (3) moves downwards, the lower limiting table (34) is separated from the sealing ring (43) downwards, the upper pump rod (3) is communicated with the lower chamber (12) through the side opening (32), the upper limiting table (33) can be pressed at the upper end of the movable sleeve (42) after moving downwards for a certain distance to push the piston (4) to move downwards together, when the upper limiting table (33) is pressed at the upper end of the movable sleeve (42), the upper limiting table and the movable sleeve are connected in a sealing mode, and the upper end of the piston (4) is provided with a convex ring (44) which protrudes inwards and is in interference fit with the outer side wall of the upper pump rod (3) to be connected in a sealing mode.
6. The self-locking external spring pressing pump according to claim 1, wherein: the one-way valve (8) comprises a ball (81).
7. The self-locking external spring pressing pump according to claim 1, wherein: the inner side of the lock bottle cap (5) is provided with a sealing gasket (9), and the lower end of the pump body (1) is connected with a straw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023161834.0U CN214288891U (en) | 2020-12-23 | 2020-12-23 | External spring is from locking-type press pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023161834.0U CN214288891U (en) | 2020-12-23 | 2020-12-23 | External spring is from locking-type press pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214288891U true CN214288891U (en) | 2021-09-28 |
Family
ID=77861166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023161834.0U Withdrawn - After Issue CN214288891U (en) | 2020-12-23 | 2020-12-23 | External spring is from locking-type press pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214288891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756130A (en) * | 2020-12-23 | 2021-05-07 | 中山市美捷时包装制品有限公司 | External spring is from locking-type press pump structure |
-
2020
- 2020-12-23 CN CN202023161834.0U patent/CN214288891U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756130A (en) * | 2020-12-23 | 2021-05-07 | 中山市美捷时包装制品有限公司 | External spring is from locking-type press pump structure |
| WO2022135484A1 (en) * | 2020-12-23 | 2022-06-30 | 中山市美捷时包装制品有限公司 | Self-locked press pump structure with external spring |
| CN112756130B (en) * | 2020-12-23 | 2023-09-08 | 中山市美捷时包装制品有限公司 | External spring self-locking type pressing pump structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210928 Effective date of abandoning: 20230908 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210928 Effective date of abandoning: 20230908 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |