CN207483256U - A kind of lubricating pump with elevating mechanism - Google Patents
A kind of lubricating pump with elevating mechanism Download PDFInfo
- Publication number
- CN207483256U CN207483256U CN201721352697.4U CN201721352697U CN207483256U CN 207483256 U CN207483256 U CN 207483256U CN 201721352697 U CN201721352697 U CN 201721352697U CN 207483256 U CN207483256 U CN 207483256U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- plate
- elevating mechanism
- rod
- adjusting screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of lubricating pumps with elevating mechanism,Including rack,The pump housing being installed in rack,Elevating mechanism is additionally provided in rack,Elevating mechanism includes connecting plate,First elevating lever,Second elevating lever,Third elevating lever,4th elevating lever,Lifting seat,Connecting plate is fixed in rack,Lifting seat is located at the top of rack,One end of head rod and one end of the second connecting rod are hinged by connector,And one end that head rod and the second connecting rod are located remotely from each other is hingedly connected on connecting plate and lifting seat,One end of third connecting rod and one end of the 4th connecting rod are hinged also by connector,And one end that third connecting rod and the 4th connecting rod are located remotely from each other is hingedly connected on connecting plate and lifting seat,And it is provided with to adjust two connectors regulating part close to each other or separate between two connectors,It can reach the purpose of adjusting height by rotating regulating part.
Description
Technical field
The utility model is related to lubricating utensil, more particularly to a kind of lubricating pump with elevating mechanism.
Background technology
Lubricating pump is a kind of device to mechanical equipment supply lubricant in position to be lubricated, and mechanical equipment is required for regularly
Lubrication, the major way lubricated in the past is the working condition according to equipment, and the manual application of lubricant is carried out after reaching certain maintenance period,
And after there is lubricating pump, lubricating pump can allow this maintenance work easier.
At present, application publication number CN103244806A, the Chinese invention patent that data of publication of application is 2013.08.14 are public
A kind of Mobile lubrication pump installation is opened, the pump seat including lubricating pump and support lubricating pump is set between the lubricating pump and pump seat
There is plunger pump, the plunger pump is connected with motor, and the pump seat is equipped with oil inlet and oil outlet, and the pump seat bottom is fixed with
Small handcart, the lubricating pump are equipped with heat emission hole and observation port.
Mobile lubrication pump installation as described above, lubricating pump and pump seat are integrally fixed, and pump seat with it is small
Cart is fixed, therefore lubricating pump is relatively fixed with small handcart, in actual use, due to the use of equipment and the movable type
The difference in height of lubricating pump device is larger, and connecting pipe can not be directly connected to equipment and be pumped with Mobile lubrication, cause using more not
Just the problem of.
Utility model content
The purpose of this utility model is to provide a kind of lubricating pump with elevating mechanism, can be changed according to service condition
The height of the pump housing, so as to achieve the purpose that adjust lubricating pump height.
The above-mentioned technical purpose of the utility model technical scheme is that：One kind carries elevating mechanism
Lubricating pump, including rack, the pump housing being installed in the rack, elevating mechanism, the lifting are additionally provided in the rack
Mechanism includes connecting plate, head rod, the second connecting rod, third connecting rod, the 4th connecting rod, lifting seat, the connecting plate
It is fixed on the rack, the lifting seat is located at the top of the rack, one end of the head rod and described second
One end of connecting rod is hinged by connector, and one end difference that the head rod and second connecting rod are located remotely from each other
It is articulated on the connecting plate and the lifting seat, one end of one end of the third connecting rod and the 4th connecting rod also leads to
It crosses connector to be hinged, and one end that the third connecting rod and the 4th connecting rod are located remotely from each other is hingedly connected to the connection
On plate and the lifting seat, the head rod, second connecting rod, the third connecting rod and the 4th connecting rod
Between form parallelogram, and be provided between two connectors close to each other for adjusting two connectors
Or separate regulating part.
By using said program, when needing to adjust elevating mechanism rising, regulating part is rotated, regulating part is made to drive two
Connector is close to each other, and head rod, the second connecting rod, third connection are driven during two connectors are close to each other
Bar and the rotation of the 4th connecting rod drive lifting seat to be directed away from the side fortune of rack during this four connecting rod rotations
It is dynamic so that the pump housing that lifting seat drive is fixed on lifting seat rises；When needing to adjust pump housing decline, reversely rotate and adjust
Part makes regulating part that two connectors be driven to be driven during two connectors move towards the side movement being located remotely from each other
Four connecting rods generate rotation, lifting seat are caused to decline during four connecting rods rotate, in the process that lifting seat declines
In cause the decline of the pump housing, so as to achieve the purpose that adjust pump housing height.
The utility model is further arranged to：The lifting seat includes installing plate, two adjustable plates, second connection
Bar and the described one end of 4th connecting rod far from the connector are articulated on the installing plate, in the side of the installing plate both sides
The sliding slot that length direction is parallel to the length direction of the installing plate is offered on wall, on the lower face of two adjustable plates
The sliding block for forming cooperation with the sliding slot is respectively and fixedly provided with, is further opened with being used to install for the pump housing on the adjustable plate
Link slot on the adjustable plate, and be provided with to consolidate the adjustable plate between the installing plate and the adjustable plate
Fixation kit on the installing plate.
By using said program, by the way of adjustable plate and installing plate combination so that between two adjustable plates away from
From being adjusted, during the distance variation between two adjustable plates, the spacing of the link slot on two adjustable plates can be caused
From variation, therefore lifting seat can be enable to be suitable for the various sizes of pump housing by changing the distance between two adjustable plates
Installation；When needing to install the various sizes of pump housing, by opening fixation kit, enable two adjustable plates on a mounting board
Position adjusting is carried out, after two adjustable plates to be adjusted to the position to needs, by fixation kit by the position of two adjustable plates
It is fixed, then by the link slot in the connecting hole alignment on the pump housing even adjustable plate, then by bolt by the pump housing and adjustable plate into
Row is fixed, so as to achieve the purpose that the different size pump housings of installation.
The utility model is further arranged to：The adjustable plate includes two pieces of lateral pieces and for by two pieces of transverse slat
The riser portion that portion is fixedly connected, the lateral piece and the riser portion make the section of the adjustable plate in " Fang " shape, institute
It states sliding block and the link slot to be respectively located on two pieces of lateral pieces, and the sliding block is located therein one piece of lateral piece back of the body
To on the end face of riser portion side.
By using said program, section is in the adjustable plate of " Fang " shape so that it is separated with gap between two pieces of lateral pieces, two
Gap between block lateral piece can be fixed on by adjustable plate on installing plate or when the pump housing is fixed on adjustable plate, supplied
Screw bolt and nut is tightened in the gap that spanner is stretched between two pieces of lateral pieces so that adjustable plate, installing plate and the pump housing it
Between connection it is more secured.
The utility model is further arranged to：The fixation kit includes connecting hole, regulating tank, fixing bolt, fixation
Nut, the connecting hole are opened on the installing plate, and the regulating tank is opened in the lateral piece for being fixed with the sliding block
On, the fixing bolt is embedded in after passing through the regulating tank in the connecting hole, and the fixing bolt passes through the connecting hole
One end on be threaded with the fixing nut.
By using said program, when needing to adjust the position of adjustable plate on a mounting board, by unscrewing fixing nut,
The sliding block on adjustable plate is enable to be moved along the sliding slot on installing plate, is moved in sliding block along the sliding slot on installing plate
In the process, the variation for adjusting Board position can be caused, adjusting nut is tightened after adjustable plate is moved to the position of needs, so as to reach
To the purpose of secured adjusted Board position.
The utility model is further arranged to：The regulating tank is in "-" type, and the length direction of the regulating tank is parallel
In the direction of motion of the adjustable plate, and the length direction of the link slot is perpendicular to the length direction of the regulating tank.
By using said program, during mobile adjustable plate, fixing bolt can be in regulating tank along adjusting
The length direction of slot is slided, and adjustable plate is made to be not easy to occur being blocked by bolt and can not generating movement during movement
Situation；And after the length direction of link slot is set perpendicularly to the length direction of regulating tank, enable to be located at two
Link slot on a adjustable plate during adjustable plate moves always in parastate, enable connecting hole on the pump housing with
Two link slots are to upper, so as to which the pump housing be enable to be fixedly connected with adjustable plate.
The utility model is further arranged to：The regulating part includes adjusting screw rod, on the side wall of the adjusting screw rod
The opposite adjusting screw thread of two sections of thread rotary orientations is offered, offers to coordinate with the adjusting screw rod on two connectors
Connection screw thread hole, the both ends of the adjusting screw rod are threadedly connected to respectively on two connectors.
By using said program, because therefore the thread rotary orientation of two sections of adjusting screw threads on adjusting screw rod is on the contrary, adjusting
Two connectors can be driven to be moved toward direction close to each other or separate during section screw rod rotation, so as to reach adjusting two
A connector purpose close to each other or separate；And lifting can be caused during two connectors are close to each other or separate
Seat rises or falls, so as to achieve the purpose that adjust pump housing height.
The utility model is further arranged to：It is equipped with to facilitate the rotation adjusting screw rod on the adjusting screw rod
Handwheel.
By using said program, due to offering adjusting screw thread on adjusting screw rod, operating personnel are rotating tune with tool
During saving screw rod, tool may generate skidding because of the presence for adjusting screw thread and with adjusting screw rod, make adjusting screw rod
Rotation has some setbacks, and after there is provided handwheel, handwheel can be conveniently operated personnel's rotation when needing to adjust the height of lifting seat
Adjusting screw rod moves so as to which adjusting screw rod be enable successfully to adjust two connectors towards direction close to each other or separate.
The utility model is further arranged to：The center of the handwheel offers the mounting hole that section is square, described
It is in the rectangular connecting pole to match with the mounting hole that section is fixed on the end face of adjusting screw rod side, and the handwheel passes through
The mounting hole is sheathed on the connecting pole.
By using said program, mounting hole hole and connecting pole that section is square can be installed on connecting pole in handwheel
When upper, the relative rotation between handwheel and connecting pole was limited so that when rotating handwheel, handwheel can drive adjusting screw rod to generate
Rotation, so as to the purpose that two connectors is made to be moved towards side close to each other or separate.
In conclusion the utility model has the advantages that：
1. the elevating mechanism in rack can make lifting when needing to change the height of lubricating pump by rotating adjusting screw rod
Seat rises, and the pump housing is driven to rise during lifting seat rises, so as to achieve the purpose that adjust lubricating pump height；
2. the lifting seat of separate assembling can be when needing to install the various sizes of pump housing, by adjusting two adjustable plates
The distance between adjust the distance between link slot being opened on two adjustable plates, so that two link slots be enable to be adapted to
In the installation of the various sizes of pump housing；
3. handwheel can be installed on when needing and rotating adjusting screw rod on adjusting screw rod, and is when not needed taken handwheel
Under, so as to reduce volume during the utility model storage.
Description of the drawings
Fig. 1 is the overall structure figure of the present embodiment, for embodying the overall structure of the present embodiment；
Fig. 2 is the explosive view of the present embodiment, for embodying the structure of lifting seat；
Fig. 3 is the partial enlarged view being located in Fig. 2 at A, for embodying the structure of adjustable plate；
Fig. 4 is the structure diagram of the present embodiment connector.
In figure：1st, rack；2nd, elevating mechanism；21st, connecting plate；22nd, head rod；23rd, the second connecting rod；24th, third
Connecting rod；25th, the 4th connecting rod；26th, lifting seat；261st, installing plate；262nd, adjustable plate；2621st, lateral piece；2622nd, riser
Portion；3rd, sliding slot；4th, sliding block；5th, link slot；6th, fixation kit；61st, connecting hole；62nd, regulating tank；63rd, fixing bolt；64th, it is fixed
Nut；7th, connector；71st, connection screw thread hole；8th, regulating part；81st, adjusting screw rod；82nd, screw thread is adjusted；9th, connecting pole；10th, hand
Wheel；101st, mounting hole；11st, the pump housing.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1 and Figure 4, a kind of lubricating pump with elevating mechanism, including rack 1, rack 1 is in tabular, in machine
Elevating mechanism 2 is provided on frame 1, elevating mechanism 2 includes connecting plate 21, head rod 22, the second connecting rod 23, third connection
Bar 24, the 4th connecting rod 25, lifting seat 26,21 rectangular plate of connecting plate are fixed on by four screws in rack 1；The
One connecting rod 22, the second connecting rod 23,24 and the 4th connecting rod 25 of third connecting rod are in strip, and equal length, and first
One end of 22 and second connecting rod 23 of connecting rod is hinged by connector 7,24 and the 4th connecting rod 25 of third connecting rod
One end it is hinged also by connector 7, connector 7 is cylindrical, and connection screw thread is offered on two connectors 7
Hole 71, and two connection screw thread holes 71 thread rotary orientation on the contrary, head rod 22 and third connecting rod 24 far from connector 7
One end be articulated on connecting plate 21, the second connecting rod 23 and second one end of connecting rod 23 far from connector 7 are articulated with lifting
On the lower face of seat 26.
As shown in Fig. 2, it is provided between two connectors 7 close to each other or separate for adjusting two connectors 7
Regulating part 8, regulating part 8 include adjusting screw rod 81, and adjusting screw rod 81 is cylindrical, and two are offered on the side wall of adjusting screw rod 81
The opposite adjusting screw thread 82 of section thread rotary orientation, two sections adjust screw thread 82 and extend from the middle part of adjusting screw rod 81 to both ends, and adjust
The both ends of screw rod 81 are threadedly connected to respectively in the connection screw thread hole 71 on two connectors 7.
The connecting pole 9 that section is square is fixed on the end face of 81 side of adjusting screw rod, hand is arranged on connecting pole 9
Wheel 10, it is in the rectangular mounting hole 101 to match with connecting pole 9 that the center of handwheel 10, which offers section, by handwheel 10 during use
It is socketed on connecting pole 9, handwheel 10 can be removed from connecting pole 9 after use.
As shown in Figures 2 and 3, lifting seat 26 includes 261, two adjustable plates 262 of installing plate, and installing plate 261 is in square plate shape,
Second connecting rod 23 and the 4th one end of connecting rod 25 far from connector 7 are articulated on the lower face of installing plate 261, in installing plate
The sliding slot 3 that length direction is parallel to the length direction of installing plate 261 is offered on the side wall of 261 both sides；Adjustable plate 262 includes
Two pieces of lateral pieces 2621 and the riser portion 2622 for two pieces of lateral pieces 2621 to be fixedly connected, two pieces of lateral pieces 2621
Make the section of adjustable plate 262 in " Fang " shape with riser portion 2622, one piece of lateral piece 2621 is back to riser portion 2,622 1 wherein
It fixes two on the end face of side to be useful for forming the sliding block 4 being slidably connected with installing plate 261 after embedded sliding slot 3, sliding block 4 is cut
Face is L-shaped；The side far from sliding block 4 and the position on lateral piece 2621 offer to supply pump on adjustable plate 262
The link slot 5 of installation is fixed in body 11, and link slot 5 is in "-" type, and the length direction of link slot 5 is perpendicular to adjustable plate 262
The direction of motion.It is additionally provided with adjustable plate 262 being fixed on installing plate 261 between installing plate 261 and adjustable plate 262
Fixation kit 6.
Fixation kit 6 includes connecting hole 61, regulating tank 62, fixing bolt 63, fixing nut 64, and connecting hole 61 is opened in peace
In loading board 261, the quantity of connecting hole 61 is four, and four edges being located at respectively on installing plate 261；Regulating tank 62 is in
"-" type is opened in adjustable plate 262 and is fixed on the lateral piece 2621 of sliding block 4, and there are two adjust on each adjustable plate 262
Slot 62, two regulating tanks 62 are distributed in the both sides of lateral piece 2621, and the length direction of regulating tank 62 is parallel to adjustable plate 262
The direction of motion；Fixing bolt 63 is embedded in after passing through the regulating tank 62 on lateral piece 2621 in the connecting hole 61 on installing plate 261, Gu
Determine nut 64 be threadedly connected to fixing bolt 63 across connecting hole 61 one end on.
Specific implementation process：When the height for adjusting the pump housing 11 is needed to rise, handwheel 10 is rotated to side, in 10 turns of handwheel
Adjusting screw rod 81 is driven to rotate in dynamic process, drive during adjusting screw rod 81 rotates and be threadedly coupled with adjusting screw rod 81
Two connectors 7 moved towards side close to each other, driven and two companies during two connectors 7 are close to each other
The hinged head rod 22 of connector 7, the second connecting rod 23,24 and the 4th connecting rod 25 of third connecting rod generate rotation, the
It drives during one connecting rod 22, the second connecting rod 23, the rotation of 24 and the 4th connecting rod 25 of third connecting rod and is connect with second
The hinged installing plate 261 of 23 and the 4th connecting rod 25 of bar is directed away from the side movement of rack 1, in the mistake that installing plate 261 moves
The pump housing 11 being installed on two adjustable plates 262 is driven to be directed away from the side movement of rack 1 in journey, the pump housing 11 rises at this time；
When the height for adjusting the pump housing 11 is needed to decline, handwheel 10 is rotated backward, adjusting screw rod is driven during handwheel 10 rotates
81 generate reversion, and two 7 directions of connector being threadedly coupled with adjusting screw rod 81 are driven during adjusting screw rod 81 rotates
The side movement being located remotely from each other drives head rod 22, the second connecting rod 23, the during two connectors 7 move
Three connecting rods 24 and the 4th connecting rod 25 generate rotation, in head rod 22, the second connecting rod 23, third connecting rod 24 and the
Four connecting rods 25 driven during rotating with the second connecting rod 23 and the hinged installing plate 261 of the 4th connecting rod 25 towards by
The side movement of nearly rack 1, drives 11 court of the pump housing being installed on two adjustable plates 262 during installing plate 261 moves
It is moved to the side close to rack 1, the pump housing 11 declines at this time, so as to achieve the purpose that adjust 11 height of the pump housing.
When needing to install the various sizes of pump housing 11, unscrew fixing nut 64, enable the sliding block 4 on adjustable plate 262
It is slided along the sliding slot 3 on installing plate 261, during sliding block 4 is slided along the length direction of sliding slot 3, causes two
The distance between a adjustable plate 262 generates variation, and the distance between two adjustable plates 262 causes out during generating variation
If the distance between link slot 5 on two adjustable plates 262 generates variation, by the distance tune between two adjustable plates 262
After saving the distance to match with the size of the pump housing 11, adjustable plate 262 is fixed on installing plate by tightening fixing nut 64
On 261, the pump housing 11 can be fixed on adjustable plate 262 by bolt at this time, so as to reach the different size pump housings 11 of installation
Purpose.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (8)
1. a kind of lubricating pump with elevating mechanism, special including rack (1), the pump housing (11) being installed in the rack (1)
Sign is：Elevating mechanism (2) is additionally provided on the rack (1), the elevating mechanism (2) connects including connecting plate (21), first
Extension bar (22), the second connecting rod (23), third connecting rod (24), the 4th connecting rod (25), lifting seat (26), the connecting plate
(21) it is fixed in the rack (1), the lifting seat (26) is positioned at the top of the rack (1), the head rod
(22) one end and one end of second connecting rod (23) is hinged by connector (7), and the head rod (22) and
One end that second connecting rod (23) is located remotely from each other is hingedly connected on the connecting plate (21) and the lifting seat (26), institute
It is hinged also by connector (7) to state one end of third connecting rod (24) and one end of the 4th connecting rod (25), and described the
One end that three connecting rods (24) and the 4th connecting rod (25) are located remotely from each other is hingedly connected to the connecting plate (21) and described
On lifting seat (26), the head rod (22), second connecting rod (23), the third connecting rod (24) and described
Parallelogram is formed between four connecting rods (25), and is provided between two connectors (7) for two institutes of adjusting
State connector (7) regulating part (8) close to each other or separate.
2. a kind of lubricating pump with elevating mechanism according to claim 1, it is characterised in that：Lifting seat (26) packet
Installing plate (261), two adjustable plates (262) are included, second connecting rod (23) and the 4th connecting rod (25) are far from described
One end of connector (7) is articulated on the installing plate (261), and length is offered on the side wall of the installing plate (261) both sides
Degree is oriented parallel to the sliding slot (3) of the length direction of the installing plate (261), in the lower face of two adjustable plates (262)
On be respectively and fixedly provided with for the sliding slot (3) formed cooperation sliding block (4), be further opened with being used on the adjustable plate (262)
The link slot (5) being installed on for the pump housing (11) on the adjustable plate (262), and in the installing plate (261) and the tune
It is provided with for the adjustable plate (262) to be fixed on the fixation kit (6) on the installing plate (261) between section plate (262).
3. a kind of lubricating pump with elevating mechanism according to claim 2, it is characterised in that：The adjustable plate (262)
Riser portion (2622) including two pieces of lateral pieces (2621) and for two pieces of lateral pieces (2621) to be fixedly connected, institute
Stating lateral piece (2621) and the riser portion (2622) makes the section of the adjustable plate (262) in " Fang " shape, the sliding block (4)
It is located on two pieces of lateral pieces (2621), and the sliding block (4) is located therein one piece of horizontal stroke respectively with the link slot (5)
Plate portion (2621) is back on the end face of riser portion (2622) side.
4. a kind of lubricating pump with elevating mechanism according to claim 3, it is characterised in that：The fixation kit (6)
Including connecting hole (61), regulating tank (62), fixing bolt (63), fixing nut (64), the connecting hole (61) is opened in described
On installing plate (261), the regulating tank (62) is opened on the lateral piece (2621) for being fixed with the sliding block (4), described
Fixing bolt (63) is embedded in the connecting hole (61) afterwards across the regulating tank (62), and the fixing bolt (63) is across institute
It states and the fixing nut (64) is threaded on one end of connecting hole (61).
5. a kind of lubricating pump with elevating mechanism according to claim 4, it is characterised in that：The regulating tank (62) is in
"-" type, the length direction of the regulating tank (62) are parallel to the direction of motion of the adjustable plate (262), and the link slot
(5) length direction is perpendicular to the length direction of the regulating tank (62).
6. a kind of lubricating pump with elevating mechanism according to claim 1, it is characterised in that：Regulating part (8) packet
Adjusting screw rod (81) is included, the opposite adjusting screw thread (82) of two sections of thread rotary orientations is offered on the side wall of the adjusting screw rod (81),
The connection screw thread hole (71) for coordinating with the adjusting screw rod (81), the adjusting are offered on two connectors (7)
The both ends of screw rod (81) are threadedly connected to respectively on two connectors (7).
7. a kind of lubricating pump with elevating mechanism according to claim 6, it is characterised in that：The adjusting screw rod (81)
On be equipped with to facilitate the handwheel (10) for rotating the adjusting screw rod (81).
8. a kind of lubricating pump with elevating mechanism according to claim 7, it is characterised in that：In the handwheel (10)
The heart offers the mounting hole (101) that section is square, and section is fixed on the end face of adjusting screw rod (81) side and is in and institute
The rectangular connecting pole (9) that mounting hole (101) matches is stated, the handwheel (10) is sheathed on institute by the mounting hole (101)
It states on connecting pole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721352697.4U CN207483256U (en) | 2017-10-18 | 2017-10-18 | A kind of lubricating pump with elevating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721352697.4U CN207483256U (en) | 2017-10-18 | 2017-10-18 | A kind of lubricating pump with elevating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207483256U true CN207483256U (en) | 2018-06-12 |
Family
ID=62480835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721352697.4U Expired - Fee Related CN207483256U (en) | 2017-10-18 | 2017-10-18 | A kind of lubricating pump with elevating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207483256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375159A (en) * | 2019-07-23 | 2019-10-25 | 广德玉龙泵业有限公司 | Water-ring vacuum pump |
-
2017
- 2017-10-18 CN CN201721352697.4U patent/CN207483256U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375159A (en) * | 2019-07-23 | 2019-10-25 | 广德玉龙泵业有限公司 | Water-ring vacuum pump |
| CN110375159B (en) * | 2019-07-23 | 2021-06-22 | 广德玉龙泵业有限公司 | Water ring vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20191018 |