CN208294715U - A kind of manual pressure test pump - Google Patents
A kind of manual pressure test pump Download PDFInfo
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- CN208294715U CN208294715U CN201820844392.3U CN201820844392U CN208294715U CN 208294715 U CN208294715 U CN 208294715U CN 201820844392 U CN201820844392 U CN 201820844392U CN 208294715 U CN208294715 U CN 208294715U
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- pump housing
- hood
- oil
- tail
- right end
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Abstract
The utility model discloses a kind of manual pressure test pumps, including the pump housing, the lower end of the pump housing is equipped with pump housing pedestal, it is bolted between the pump housing pedestal and the pump housing by first, the right end of the pump housing is equipped with cylinder tube, the right end of the cylinder tube is equipped with oil cylinder tail-hood, connecting rod is equipped between the oil cylinder tail-hood and the pump housing, the left end of the connecting rod is threaded in the pump housing, the right end of the connecting rod is threaded with acorn nut, the top of the oil cylinder tail-hood is threaded with oil cylinder blocking, the lower end of the oil cylinder tail-hood is equipped with tail-hood pedestal, it is bolted between the tail-hood pedestal and oil cylinder tail-hood by second, the right end lower part of the pump housing and the inside of cylinder tube be equipped with oil inlet strainer, the left end lower part of the pump housing and oil inlet seal plug is threaded on the left of oil inlet strainer, the oil inlet sealing The right end of plug is equipped with the first cylindrical compression spring, and the utility model is convenient for carrying out replacement maintenance to the check valve in the pump housing.
Description
Technical field
The utility model relates to pressure testing pump technical field, specific field is a kind of manual pressure test pump.
Background technique
It in the design of a variety of bearing structure parts, requires to carry out hydraulic test: providing certain pressure to pressure-bearing product, it is right
Structural member is examined.Manual pressure test pump because its occupied area is small, convenient in carrying, it is easy to operate due to be widely used in it is various hydraulic
In test, traditional manual pressure test pump is made of the pump housing, piston, inlet valve, outlet valve, pressure gauge etc., its working principle is that working as
When piston moves out, inlet valve is opened, and liquid injection, when plunger inwardly moves, outlet valve is opened, output pressure liquid,
And enter measured device, and realize the hydraulic test of rated pressure, existing manual pressure test pump is typically provided with check valve on the pump housing,
Liquid reflux is avoided, in use device, the work that liquid flows through check valve is more frequent, and check valve is easy loss and influences dress
The use set, and check valve is usually self-contained on the pump housing, and device is caused to be more difficult to repair.
Utility model content
The purpose of this utility model is to provide a kind of manual pressure test pumps, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of manual pressure test pump, including the pump housing, institute
The lower end for stating the pump housing is equipped with pump housing pedestal, is bolted between the pump housing pedestal and the pump housing by first, the right side of the pump housing
End is equipped with cylinder tube, and the right end of the cylinder tube is equipped with oil cylinder tail-hood, connecting rod, institute are equipped between the oil cylinder tail-hood and the pump housing
The left end for stating connecting rod is threaded in the pump housing, and the right end of the connecting rod is threaded with acorn nut, the oil cylinder tail
The top of lid is threaded with oil cylinder blocking, and the lower end of the oil cylinder tail-hood is equipped with tail-hood pedestal, the tail-hood pedestal and oil cylinder
It is bolted between tail-hood by second, the right end lower part of the pump housing and is equipped with oil inlet strainer, institute in the inside of cylinder tube
It states the left end lower part of the pump housing and is threaded with oil inlet seal plug on the left of oil inlet strainer, the oil inlet seal plug
The right end of head is equipped with the first cylindrical compression spring, and the right end of first cylindrical compression spring is equipped with the first steel ball, the pump housing
Left end in the middle part of and be threaded on the upside of oil inlet seal plug oil outlet seal plug, the oil outlet seal plug
Right end be equipped with the second cylindrical compression spring, the right end of second cylindrical compression spring is equipped with the second steel ball, the pump housing
Left upper part and the upside of oil outlet seal plug be equipped with pressure tapping, the pressure tapping be equipped with pressure gauge, institute
The middle part for stating the pump housing is equipped with piston, and the outside of the piston is equipped with seal pressure cap, by the between the seal pressure cap and the pump housing
Three are bolted, and the upper end of the piston is hinged with piston holder, and connection is equipped between the left end and the pump housing of the piston holder
The right end of block, the piston holder is equipped with operation handle, and the rear end of the pump housing is threaded with pressure release needle.
Preferably, the lateral wall of the piston and piston seal, oil cylinder blocking are equipped in the lower end of seal pressure cap
Plug for seal circle is equipped between oil cylinder tail-hood.
Preferably, it is equipped with sealing ring between the cylinder tube and the pump housing and oil cylinder tail-hood, the oil inlet seal plug,
The lateral wall of oil outlet seal plug and pressure release needle is equipped with sealing ring, and the outboard sidewalls of the seal pressure cap are equipped with sealing
Circle is equipped with sealing ring between the acorn nut and oil cylinder tail-hood.
Preferably, the inner sidewall of the seal pressure cap is equipped with wear ring.
Compared with prior art, the utility model has the beneficial effects that a kind of manual pressure test pump, stores liquid by cylinder tube
Pressure oil is filtered the hydraulic oil entered in the pump housing by oil inlet strainer, avoids sundries from entering in the pump housing, pass through circle
Column compressed spring and steel ball form check valve, and hydraulic oil is avoided to generate reflux, by pressure gauge to the pressure of pump body into
Row measurement, check valve can generate certain loss with the use of device, when needing replacing the first cylindrical compression spring, first
When steel ball, the second cylindrical compression spring or the second steel ball, corresponding oil inlet seal plug or oil outlet seal plug are removed, it is right
The component needed replacing is replaced, convenient for the maintenance to device.
Detailed description of the invention
Fig. 1 is the main view the schematic diagram of the section structure of the utility model；
Fig. 2 is the portion the A enlarged drawing in Fig. 1；
Fig. 3 is the partial left side view structural schematic diagram of the utility model.
In figure: the 1- pump housing, 2- pump housing pedestal, the first bolt of 3-, 4- cylinder tube, 5- oil cylinder tail-hood, 6- connecting rod, 7- lid shape
Nut, the blocking of 8- oil cylinder, 9- tail-hood pedestal, the second bolt of 10-, 11- oil inlet strainer, 12- oil inlet seal plug, 13-
One cylindrical compression spring, the first steel ball of 14-, 15- oil outlet seal plug, the second cylindrical compression spring of 16-, the second steel ball of 17-,
18- pressure tapping, 19- pressure gauge, 20- piston, 21- seal pressure cap, 22- third bolt, 23- piston holder, 24- connection
Block, 25- operation handle, 26- pressure release needle, 27- wear ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of manual pressure test pump, including the pump housing 1, the pump housing
Inside be equipped with channel and flowed through for hydraulic oil, the lower end of the pump housing is equipped with pump housing pedestal 2, and pump housing pedestal, which is used to support, to be pumped
Body is connected between the pump housing pedestal and the pump housing by the first bolt 3, two is symmetrically arranged with before and after the first bolt, by pump housing bottom
Seat is fixed on the pump housing, and head is embedded into pump housing pedestal, and the right end of the pump housing is equipped with cylinder tube 4, cylinder tube it is interior
Portion is hollow, and for accommodating hydraulic oil, the right end of the cylinder tube is equipped with oil cylinder tail-hood 5, and the pump housing seals up the left end of cylinder tube,
Oil cylinder tail-hood seals up the right end of cylinder tube, so that the inside of cylinder tube is formed a closed space and is used to accommodate hydraulic oil,
Connecting rod 6 is equipped between the oil cylinder tail-hood and the pump housing, the left and right ends of connecting rod are equipped with external screw thread, a left side for the connecting rod
End is threaded in the pump housing, and the right end of the connecting rod is threaded with acorn nut 7, and the left end of connecting rod extend into the pump housing
In, right end is connect with acorn nut, for cylinder tube and oil cylinder tail-hood to be installed to the pump housing, the top spiral shell of the oil cylinder tail-hood
Line is connected with oil cylinder blocking 8, and oil cylinder blocking shelters from the opening of cylinder tube upper end, can live be added to cylinder tube by opening
Hydraulic oil, addition finish, and oil cylinder blocking is installed, cylinder tube is sealed up, and the lower end of the oil cylinder tail-hood is equipped with tail-hood bottom
Seat 9, tail-hood pedestal are used to support oil cylinder tail-hood, and cooperation pump housing pedestal supports device, the tail-hood pedestal and oil cylinder tail-hood
Between be bolted 10 by second, tail-hood pedestal is installed on oil cylinder tail-hood by the second bolt, and head is embedded into tail-hood
In pedestal, the right end lower part of the pump housing and oil inlet strainer 11 is equipped in the inside of cylinder tube, the hydraulic oil of cylinder tube can be through
Oil inlet strainer enters in ontology after being filtered, the left end lower part of the pump housing and the left side screw thread of oil inlet strainer connect
It is connected to oil inlet seal plug 12, oil inlet seal plug lives the position seals of pump housing oil inlet, the oil inlet seal plug
The right end of head is equipped with the first cylindrical compression spring 13, and the right end of first cylindrical compression spring is equipped with the first steel ball 14, and first
Cylindrical compression spring and the first steel ball play the role of check valve, enter hydraulic oil can only from cylinder tube in the pump housing, nothing
Method flows back into cylinder tube from the pump housing, and when needing replacing the first cylindrical compression spring or the first steel ball, oil inlet is sealed
Plug removes the first cylindrical compression spring or the first steel ball more renewed, convenient for repairing to device, the pump housing
Oil outlet seal plug 15 is threaded in the middle part of left end and on the upside of oil inlet seal plug, oil outlet seal plug will pump
The position seals of body oil outlet are lived, and by the equipment outside access to external equipment output hydraulic pressure oil, the oil outlet is sealed
The right end of plug is equipped with the second cylindrical compression spring 16, and the right end of second cylindrical compression spring is equipped with the second steel ball 17, the
Two cylindrical compression springs and the second steel ball play the role of check valve, make hydraulic oil that can only can not flow back from pump housing discharger
Into the pump housing, when needing replacing the second cylindrical compression spring or the second steel ball, oil outlet seal plug is removed and is more renewed
Second cylindrical compression spring or the second steel ball, convenient for being repaired to device, the left upper part of the pump housing and fuel-displaced
The upside of mouth seal plug is equipped with pressure tapping 18, and pressure tapping is set in the pressure tapping for installing pressure gauge
There is pressure gauge 19, pressure gauge is used to detect the pressure value in the pump housing, and the middle part of the pump housing is equipped with piston 20, and piston can pump
It moves up and down, moves the piston up in body, form low pressure in the pump housing, the first steel ball is opened, and the hydraulic oil in cylinder tube is inhaled
Enter into the pump housing, move down piston, form high pressure in the pump housing, the second steel ball is opened, and the hydraulic oil in the pump housing enters out
In hydraulic fluid port, the outside of the piston is equipped with seal pressure cap 21, is connected between the seal pressure cap and the pump housing by third bolt 22,
Seal pressure cap is fixed on the pump housing by third bolt, and piston can move up and down in seal pressure cap, the upper end of the piston
It is hinged with piston holder 23, link block 24, the right end of the piston holder are equipped between the left end and the pump housing of the piston holder
Equipped with operation handle 25, is moved up and down by manual operation operation handle and piston holder and piston is driven to move up and down, the pump
The rear end of body is threaded with pressure release needle 26, can carry out pressure discharge operations to the inside of the pump housing by pressure release needle.
Specifically, the lateral wall of the piston and being equipped with piston seal in the lower end of seal pressure cap, the oil cylinder is stifled
Plug for seal circle is equipped between plug and oil cylinder tail-hood.
Specifically, sealing ring is equipped between the cylinder tube and the pump housing and oil cylinder tail-hood, the oil inlet seal plug
The lateral wall of head, oil outlet seal plug and pressure release needle is equipped with sealing ring, and the outboard sidewalls of the seal pressure cap are equipped with
Sealing ring is equipped with sealing ring between the acorn nut and oil cylinder tail-hood.
Specifically, the inner sidewall of the seal pressure cap is equipped with wear ring 27.
Working principle: opening oil cylinder is blocked, and hydraulic oil is added into cylinder tube, installs oil cylinder blocking after addition,
Cylinder tube is sealed up, is moved up and down by the way that operation handle is manually operated and piston holder and piston is driven to move up and down, to moving up
Piston forms low pressure in the pump housing, and the first steel ball is opened, and the hydraulic oil in cylinder tube is inhaled into pump through oil inlet strainer
In body, piston is moved down, forms high pressure in the pump housing, the second steel ball is opened, and the hydraulic oil in the pump housing enters in oil outlet,
By the pressure in the gauge measurement pump housing, check valve can generate certain loss with the use of device, when needing replacing
When the first cylindrical compression spring, the first steel ball, the second cylindrical compression spring or the second steel ball, corresponding oil inlet seal plug is removed
Head or oil outlet seal plug, replace the component needed replacing, convenient for the maintenance to device.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of manual pressure test pump, including the pump housing (1), it is characterised in that: the lower end of the pump housing (1) is equipped with pump housing pedestal (2),
It is connect between the pump housing pedestal (2) and the pump housing (1) by the first bolt (3), the right end of the pump housing (1) is equipped with cylinder tube
(4), the right end of the cylinder tube (4) is equipped with oil cylinder tail-hood (5), and connecting rod is equipped between the oil cylinder tail-hood (5) and the pump housing (1)
(6), the left end of the connecting rod (6) is threaded in the pump housing (1), and the right end of the connecting rod (6) is threaded with lid shape
Nut (7), the top of the oil cylinder tail-hood (5) are threaded with oil cylinder blocking (8), and the lower end of the oil cylinder tail-hood (5) is equipped with
Tail-hood pedestal (9) is connect between the tail-hood pedestal (9) and oil cylinder tail-hood (5) by the second bolt (10), the pump housing (1)
Right end lower part and be equipped with oil inlet strainer (11) in the inside of cylinder tube (4), the left end lower part of the pump housing (1) and in oil inlet
It is threaded with oil inlet seal plug (12) on the left of mouth strainer (11), the right end of the oil inlet seal plug (12) is equipped with
The right end of first cylindrical compression spring (13), first cylindrical compression spring (13) is equipped with the first steel ball (14), the pump housing
(1) be threaded with oil outlet seal plug (15) in the middle part of left end and on the upside of oil inlet seal plug (12), it is described go out
The right end of hydraulic fluid port seal plug (15) is equipped with the second cylindrical compression spring (16), the right end of second cylindrical compression spring (16)
Equipped with the second steel ball (17), the left upper part of the pump housing (1) and the upside of oil outlet seal plug (15) be equipped with pressure gauge
Connector (18), the pressure tapping (18) are equipped with pressure gauge (19), and the middle part of the pump housing (1) is equipped with piston (20), institute
The outside for stating piston (20) is equipped with seal pressure cap (21), passes through third bolt between the seal pressure cap (21) and the pump housing (1)
(22) it connects, the upper end of the piston (20) is hinged with piston holder (23), the left end and the pump housing (1) of the piston holder (23)
Between be equipped with link block (24), the right end of the piston holder (23) is equipped with operation handle (25), the rear end spiral shell of the pump housing (1)
Line is connected with pressure release needle (26).
2. a kind of manual pressure test pump according to claim 1, it is characterised in that: the lateral wall of the piston (20) and close
The lower end for sealing pressure cap (21) is equipped with piston seal, is equipped with plug for seal between the oil cylinder blocking (8) and oil cylinder tail-hood (5)
Circle.
3. a kind of manual pressure test pump according to claim 1, it is characterised in that: the cylinder tube (4) and the pump housing (1) and oil
Sealing ring, the oil inlet seal plug (12), oil outlet seal plug (15) and pressure release needle are equipped between cylinder tail-hood (5)
(26) lateral wall is equipped with sealing ring, and the outboard sidewalls of the seal pressure cap (21) are equipped with sealing ring, the acorn nut
(7) sealing ring is equipped between oil cylinder tail-hood (5).
4. a kind of manual pressure test pump according to claim 1, it is characterised in that: the inner sidewall of the seal pressure cap (21) is set
There are wear ring (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820844392.3U CN208294715U (en) | 2018-06-01 | 2018-06-01 | A kind of manual pressure test pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820844392.3U CN208294715U (en) | 2018-06-01 | 2018-06-01 | A kind of manual pressure test pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208294715U true CN208294715U (en) | 2018-12-28 |
Family
ID=64723482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820844392.3U Active CN208294715U (en) | 2018-06-01 | 2018-06-01 | A kind of manual pressure test pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208294715U (en) |
-
2018
- 2018-06-01 CN CN201820844392.3U patent/CN208294715U/en active Active
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| GR01 | Patent grant |