CN215762069U

CN215762069U - Pre-pressing pump of piston pressure gauge

Info

Publication number: CN215762069U
Application number: CN202122137884.3U
Authority: CN
Inventors: 岑月琴
Original assignee: Henan Delang Electronic Technology Development Co ltd
Current assignee: Henan Delang Electronic Technology Development Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-02-08
Anticipated expiration: 2031-09-06

Abstract

The utility model provides a prepressing pump of a piston pressure gauge, which belongs to the technical field of prepressing pumps and comprises a prepressing oil pump main body and a piston pressure gauge shell connected to the prepressing oil pump main body, wherein a piston cylinder is arranged in the prepressing oil pump main body; the handle supporting piece is movably arranged on the pre-pressing oil pump main body, and the operating handle can rotate on the pre-pressing oil pump main body for 360 degrees, so that different operators can adjust the direction of the operating handle conveniently, and the comfort of different operators is improved.

Description

Pre-pressing pump of piston pressure gauge

Technical Field

The utility model relates to the technical field of precompression pumps, in particular to a precompression pump of a piston pressure gauge.

Background

At present, in the pre-pressurizing pump of the existing piston pressure gauge (as shown in fig. 1), because the handle support bolt 91 is fixed on the housing 2 of the piston pressure gauge, the support point cannot move horizontally, and meanwhile, the piston rod 6 is limited in the piston cylinder 3, the operating handle 7 can only be fixed in one horizontal direction for operation, and cannot rotate 360 degrees in the horizontal direction, and can operate in any direction, which brings inconvenience to the operation of the pre-pressurizing pump, especially different operators, and the required optimal orientation is different due to different lengths of the arms. Accordingly, a piston pressure gauge precompression pump is provided to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a precompression pump for a piston pressure gauge, which can realize the horizontal rotation of an operating handle, facilitate the adjustment of the direction of the operating handle by different operators, and increase the comfort of different operators.

In order to solve the technical problems, the utility model provides a piston pressure gauge prepressing pump which comprises a prepressing oil pump main body and a piston pressure gauge shell connected to the prepressing oil pump main body, wherein a piston cylinder is arranged in the prepressing oil pump main body, an oil inlet channel is arranged on one side below the piston cylinder, an oil outlet channel is arranged on the other side below the piston cylinder, the oil inlet channel and the oil outlet channel are communicated with each other, check valves are respectively arranged in the oil inlet channel and the oil outlet channel, a piston rod is movably connected in the piston cylinder, an operating handle is arranged at the top end of the piston rod, a connecting rod is arranged at one end of the operating handle, a handle supporting piece is arranged at the upper end of the prepressing oil pump main body, and the handle supporting piece is movably connected with the connecting rod;

the handle support piece includes that the movable sleeve establishes the collar on pre-compaction oil pump main part, one side of collar is connected with two fixed plates that the symmetry set up, the mounting hole has been seted up on the fixed plate, the connecting rod is located between two fixed plates, be provided with the third round pin axle between connecting rod and the fixed plate for prescribe a limit to the position of connecting rod.

Further, operating handle includes handle portion and pushes down the portion, the piston rod is located in the middle of the portion of pushing down, it is articulated through first round pin axle between piston rod and the portion of pushing down, the connecting rod is located the one end that the handle portion was kept away from to the portion of pushing down, the connecting rod is articulated through second round pin axle with the portion of pushing down.

Furthermore, the handle part of the operating handle is provided with anti-skid threads.

Furthermore, the upper end of the pre-pressing oil pump main body is coaxial with the piston cylinder, the diameter of the upper end of the pre-pressing oil pump main body is smaller than that of the lower end of the pre-pressing oil pump main body, the mounting ring is movably sleeved at the upper end of the pre-pressing oil pump main body, the upper end of the pre-pressing oil pump main body is provided with a limiting groove, and the limiting groove is internally provided with a retaining ring for a shaft, which is in contact with the mounting ring, and is used for limiting the position of the mounting ring.

Furthermore, a sealing ring is arranged between the piston cylinder and the piston rod.

The technical scheme of the utility model has the following beneficial effects:

1. the handle supporting piece is movably arranged on the pre-pressing oil pump main body, the operating handle can rotate on the pre-pressing oil pump main body for 360 degrees, so that different operators can adjust the direction of the operating handle conveniently, the comfort of different operators is improved, particularly, the pre-pressing pump can be operated from any direction, the operating handle can be kept at any position which does not influence the next step of work after the operation of the pre-pressing pump is completed, and the pressure measuring work of the piston pressure gauge is facilitated.

2. Utilize the spacing groove can be injectd the position of for the shaft retaining ring, the position of the collar of being convenient for the shaft retaining ring to the collar is injectd, avoids the collar to follow pre-compaction oil pump main part roll-off.

Drawings

FIG. 1 is a schematic diagram of a prior art precompression pump configuration;

FIG. 2 is a schematic diagram of a precompression pump configuration of the present invention;

FIG. 3 is a schematic cross-sectional view of the handle support structure of the present invention;

FIG. 4 is a top view of the handle support structure of the present invention.

In the figure: 1. pre-pressing the oil pump main body; 2. a piston pressure gauge housing; 3. a piston cylinder; 4. an oil inlet channel; 5. an oil outlet channel; 6. a piston rod; 7. an operating handle; 8. a first pin shaft; 9. a second pin shaft; 91. a handle support bolt; 10. a handle support; 11. a third pin shaft; 12. a connecting rod; 13. a retainer ring for a shaft; 14. a mounting ring; 15. a fixing plate; 16. mounting holes; 17. a limiting groove; 18. a seal ring; 19. a one-way valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.

Example one

As shown in fig. 2-4: a piston pressure gauge prepressing pump comprises a prepressing oil pump main body 1 and a piston pressure gauge shell 2 connected to the prepressing oil pump main body 1 through a bolt, a piston cylinder 3 is arranged inside the prepressing oil pump main body 1, an oil inlet channel 4 is arranged on one side below the piston cylinder 3, an oil outlet channel 5 is arranged on the other side below the piston cylinder 3, the oil inlet channel 4 and the oil outlet channel 5 are communicated with each other, check valves 19 are arranged in the oil inlet channel 4 and the oil outlet channel 5, a piston rod 6 is movably connected in the piston cylinder 3, an operating handle 7 is arranged at the top end of the piston rod 6, a connecting rod 12 is arranged at one end of the operating handle 7, a handle support piece 10 is arranged at the upper end of the prepressing oil pump main body 1, and the handle support piece 10 is movably connected with the connecting rod 12;

the handle support 10 comprises a mounting ring 14 sleeved on the pre-pressing oil pump main body 1, two fixing plates 15 symmetrically arranged are connected to one side of the mounting ring 14, a mounting hole 16 is formed in each fixing plate 15, the connecting rod 12 is located between the two fixing plates 15, and a third pin shaft 11 is arranged between the connecting rod 12 and the fixing plates 15 and used for limiting the position of the connecting rod 12.

In this embodiment, the handle support 10 is movably mounted on the pre-pressing oil pump main body 1, and the operating handle 7 can rotate on the pre-pressing oil pump main body 1 by 360 degrees, so that different operators can adjust the direction of the operating handle 7 conveniently, the comfort of different operators is improved, especially, the pre-pressing pump can be operated from any direction, and after the operation of the pre-pressing pump is completed, the operating handle 7 can be left at any position without influencing the next operation, and the pressure measurement work of the piston pressure gauge is facilitated.

Example two

As shown in fig. 2, the difference from the first embodiment is that: operating handle 7 includes handle portion and pushes down the portion, and piston rod 6 is located in the middle of the portion of pushing down, and piston rod 6 is articulated through first round pin axle 8 between the portion of pushing down, and connecting rod 12 is located the one end that the handle portion was kept away from to the portion of pushing down, and connecting rod 12 is articulated through second round pin axle 9 with the portion of pushing down, is provided with anti-skidding screw thread on operating handle 7's the handle portion.

In this embodiment, the assembly of the precompression pump can be facilitated by the first pin 8 and the second pin 9, wherein the handle portion of the operating handle 7 is provided with anti-slip threads to prevent the operating handle 7 from slipping during use.

EXAMPLE III

As shown in fig. 1, it differs from the first embodiment in that: the upper end of pre-compaction oil pump main part 1 is coaxial with piston cylinder 3, and the diameter of pre-compaction oil pump main part 1 upper end is less than the diameter of pre-compaction oil pump main part 1 lower extreme, and 14 movable sleeves of collar are established in pre-compaction oil pump main part 1 upper end, and spacing groove 17 has been seted up to pre-compaction oil pump main part 1 upper end, and the axle of the internally mounted of spacing groove 17 and the contact of collar 14 is with retaining ring 13 for prescribe a limit to 14 positions of collar.

In this embodiment, the position of the shaft retaining ring 13 can be limited by the limiting groove 17, so that the position of the mounting ring 14 can be limited by the shaft retaining ring 13, and the mounting ring 14 is prevented from sliding out of the pre-pressing oil pump main body 1.

Example four

As shown in fig. 1, it differs from the first embodiment in that: a sealing ring 18 is arranged between the piston cylinder 3 and the piston rod 6.

In this embodiment, in order to avoid leakage between the piston cylinder 3 and the piston rod 6, a sealing ring 18 is provided between the piston cylinder 3 and the piston rod 6.

The working method of the utility model comprises the following steps:

when the prepressing pump is operated, firstly, the operating handle 7 is lifted by hands, the piston rod 6 moves upwards, negative pressure is formed in the piston cylinder 3, medium oil enters and fills the piston cylinder 3 through the oil inlet check valve 19, then, the operating handle 7 is pressed downwards by hands, the medium oil in the piston cylinder 3 is sent into an oil way of the piston pressure gauge from the oil outlet check valve 19, the operations are repeated, the medium oil continuously enters the oil way of the piston pressure gauge and pushes up the pressure in the oil way, wherein the operating handle 7 can rotate 360 degrees on the prepressing oil pump main body 1, so that different operators can adjust the direction of the operating handle 7 conveniently, and the comfort of different operators is improved.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a piston pressure gauge preformer, includes prepressing oil pump main part (1) and connects piston pressure gauge casing (2) on prepressing oil pump main part (1), its characterized in that: the oil pump is characterized in that a piston cylinder (3) is arranged in the pre-pressing oil pump main body (1), an oil inlet channel (4) is arranged on one side below the piston cylinder (3), an oil outlet channel (5) is arranged on the other side below the piston cylinder (3), the oil inlet channel (4) and the oil outlet channel (5) are communicated with each other, check valves (19) are respectively arranged in the oil inlet channel (4) and the oil outlet channel (5), a piston rod (6) is movably connected in the piston cylinder (3), an operating handle (7) is arranged at the top end of the piston rod (6), a connecting rod (12) is arranged at one end of the operating handle (7), a handle supporting piece (10) is arranged at the upper end of the pre-pressing oil pump main body (1), and the handle supporting piece (10) is movably connected with the connecting rod (12);

handle support piece (10) establish collar (14) on pre-compaction oil pump main part (1) including the activity cover, one side of collar (14) is connected with two fixed plates (15) that the symmetry set up, mounting hole (16) have been seted up on fixed plate (15), connecting rod (12) are located between two fixed plates (15), be provided with third round pin axle (11) between connecting rod (12) and fixed plate (15) for prescribe a limit to the position of connecting rod (12).

2. The piston manometer precompression pump of claim 1, wherein: operating handle (7) include handle portion and push down portion, piston rod (6) are located in the middle of the push down portion, piston rod (6) and push down portion between articulated through first round pin axle (8), connecting rod (12) are located the one end that the handle portion was kept away from to the push down portion, connecting rod (12) are articulated through second round pin axle (9) with the push down portion.

3. The piston manometer precompression pump of claim 2, wherein: and the handle part of the operating handle (7) is provided with anti-skid threads.

4. The piston manometer precompression pump of claim 1, wherein: the upper end of pre-compaction oil pump main part (1) is coaxial with piston cylinder (3), the diameter of pre-compaction oil pump main part (1) upper end is less than the diameter of pre-compaction oil pump main part (1) lower extreme, collar (14) movable sleeve is established in pre-compaction oil pump main part (1) upper end, spacing groove (17) have been seted up to pre-compaction oil pump main part (1) upper end, retaining ring (13) for the axle of the internally mounted and collar (14) contact of spacing groove (17) for position is injectd collar (14).

5. The piston manometer precompression pump of claim 1, wherein: and a sealing ring (18) is arranged between the piston cylinder (3) and the piston rod (6).