CN214525561U

CN214525561U - Pump core with built-in spring

Info

Publication number: CN214525561U
Application number: CN202120394008.6U
Authority: CN
Inventors: 罗雄波; 刘文清
Original assignee: Zhejiang Tianyi Packaging Co ltd
Current assignee: Zhejiang Tianyi Packaging Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-10-29
Anticipated expiration: 2031-02-22

Abstract

The utility model discloses a built-in pump core of spring, include the press bar, fit with a contraceptive ring, pump case, sealing washer, first spring, sliding sleeve, gag lever post, second spring and ball, the pump case top is inlayed and is equipped with and fits with a contraceptive ring, fits with a contraceptive ring the middle part and passes the press bar, is equipped with spacing protruding according to the press bar middle part, from last to overlapping sealing washer, first spring, sliding sleeve, gag lever post on the press bar, the sealing washer both ends respectively with fit with a contraceptive ring inner wall, spacing protruding upper surface contact, first spring both ends respectively with spacing protruding lower surface, sliding sleeve upper portion contact, the cover is equipped with the second spring on the gag lever post, the second spring both ends respectively with the gag lever post, the pump case inner chamber contacts, the inside cavity of pump case of second spring below holds the ball. The utility model discloses can realize the effect that the pump was pumped through pressing down of pressing down the pole. This application can the wide application in cosmetic bottle inside, plays the effect of pumping the emulsion, and the structure of this application is built-in with the spring ingeniously, and the structure is more reliable.

Description

Pump core with built-in spring

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of cosmetic bottle, especially a technical field of pump core that the spring is built-in.

[ background of the invention ]

Cosmetic bottles are containers for holding cosmetics. In order to facilitate the dispensing of the emulsion-like cosmetic product, a pump is often provided for pumping out the emulsion. The convenience of the cosmetic bottle depends to a large extent on the quality of the pump construction. The pumping reciprocation is realized by the cooperation of the spring, and the built-in spring is more reliable than an external structure. Therefore, there is a need for a good spring in pump cartridge configuration to pump cosmetic emulsions.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, providing a built-in pump core of spring, can realize the effect of pump suction through pressing down of pressing down the depression bar. This application can the wide application in cosmetic bottle inside, plays the effect of pumping the emulsion, and the structure of this application is built-in with the spring ingeniously, and the structure is more reliable.

In order to realize the above-mentioned purpose, the utility model provides a built-in pump core of spring, including press the depression bar, fit with a contraceptive ring, pump case, sealing washer, first spring, sliding sleeve, gag lever post, second spring and ball, the pump case top is inlayed and is equipped with and fits with a contraceptive ring, fits with a contraceptive ring the middle part and passes the press the depression bar, is equipped with spacing protruding according to the depression bar middle part, from last cover on the press the depression bar to the cover sealing washer, first spring, sliding sleeve, gag lever post, the sealing washer both ends respectively with fit with a contraceptive ring inner wall, spacing protruding upper surface contacts, first spring both ends respectively with spacing protruding lower surface, sliding sleeve upper portion contacts, the cover is equipped with the second spring on the gag lever post, the pump case inner chamber contacts respectively, the inside cavity of pump case of second spring below holds the ball.

Preferably, a first annular bulge is arranged on the periphery of the upper part of the pressing rod, the first annular bulge is of an annular bulge structure with a semicircular section, an extrusion head is embedded in the upper part of the pressing rod, the extrusion head is a common upper pressing part of an existing cosmetic bottle, and the extrusion head is connected by the first annular bulge; the periphery of the middle part of the pressing rod is provided with a limiting protrusion, and the limiting protrusion is vertically contacted with the sealing ring and the first spring respectively; according to the depression bar lower part and transversely being equipped with the drain hole, the position in drain hole is located the cock stem top and is relative with the sliding sleeve lower extreme, like this at the motion in-process, is sheltered by the sliding sleeve at first, slowly pushes down the back, and is located spacingly in first interior step to the drain hole can not be sheltered by the sliding sleeve, and inside emulsion can flow through the drain hole.

Preferably, the outer portion of the upper ring upper portion is provided with a second annular protrusion, the second annular protrusion is an annular protrusion structure with a semicircular section, a first annular groove is formed in the inner wall surface of the upper portion of the pump shell, the first annular groove is an annular groove with a semicircular section, and the second annular protrusion is matched in the first annular groove.

Preferably, a first inner step is arranged in the middle of the pump shell, and the inner diameter of the first inner step is larger than the outer diameter of the plug rod and smaller than the outer diameter of the sliding sleeve; a second inner step is arranged at the middle lower part in the pump shell, and the inner diameter of the second inner step is larger than the diameter of the ball and smaller than the inner diameter of the second spring; an inner inclined step is arranged at the inner lower part of the pump shell, the outer diameter above the inner inclined step is larger than the diameter of the ball, and the outer diameter below the inner inclined step is smaller than the diameter of the ball; and a second annular groove is formed in the inner wall surface of the lower part of the pump shell, and a liquid guide pipe is conveniently installed through the second annular groove.

Preferably, a third annular groove is formed below the sliding sleeve, the lower portion of the sliding sleeve is large in upper portion and small in lower portion, and the sliding sleeve is beneficial to ensuring sealing when the sliding sleeve moves upwards due to the fact that the lower portion of the sliding sleeve inclines.

Preferably, the upper portion of the plug rod is provided with a blind hole, the upper portion of the plug rod is matched with a pressing rod, the periphery of the upper portion of the plug rod is provided with a limiting shoulder, and a second spring is matched on the limiting shoulder.

The utility model has the advantages that: the utility model discloses a press the reciprocating motion that the depression bar drove the cock stem, make sliding sleeve reciprocating motion simultaneously, combine the design of ball and two innerspring's design to the effect of pump suction has been reached inside the pump case. The utility model can be provided with an upper part embedded with the extrusion head and a lower part embedded with the catheter, thereby being widely applied to cosmetic bottles and playing the function of pumping emulsion.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a perspective view of a pump core with a built-in spring according to the present invention;

FIG. 2 is a front sectional view of a pump cartridge with a built-in spring according to the present invention;

fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention;

fig. 4 is an enlarged view of a portion B of fig. 2 according to the present invention;

fig. 5 is an enlarged view of a portion C of fig. 2 according to the present invention;

fig. 6 is a perspective exploded view of a pump cartridge with a built-in spring according to the present invention.

In the figure: 1-pressing rod, 11-first ring protrusion, 12-limiting protrusion, 13-liquid guide hole, 2-upper ring, 21-second ring protrusion, 3-pump shell, 31-first ring groove, 32-first inner step, 33-second inner step, 34-inner inclined step, 35-second ring groove, 4-sealing ring, 5-first spring, 6-sliding sleeve, 61-third ring groove, 7-plug rod, 71-limiting shoulder, 8-second spring and 9-ball.

[ detailed description ] embodiments

Refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, including pressing the depression bar 1, fit with a contraceptive ring 2, pump case 3, sealing washer 4, first spring 5, sliding sleeve 6, cock stem 7, second spring 8 and

ball

9, 3 tops of pump case are inlayed and are equipped with and fit with a contraceptive ring 2, fit with a contraceptive ring 2 middle part and pass pressing the depression bar 1, press 1 middle parts of depression bar and be equipped with spacing protruding 12, press 1 last from last to the cover be equipped with sealing washer 4, first spring 5, sliding sleeve 6,

cock stem

7, 4 both ends of sealing washer respectively with fit with a contraceptive ring 2 inner wall, spacing protruding 12 upper surface contacts, 5 both ends of first spring respectively with spacing protruding 12 lower surface, 6 upper portions of sliding sleeve contact, the cover is equipped with second spring 8 on the

cock stem

7, 8 both ends of second spring respectively with the

pump case

7, 3 inner chambers of pump case contact, 3 inner chambers of second spring 8 below hold ball 9.

Specifically, a first annular protrusion 11 is arranged on the periphery of the upper part of the pressing rod 1, the first annular protrusion 11 is an annular protrusion structure with a semicircular section, and an extrusion head is embedded in the upper part of the pressing rod 1; the periphery of the middle part of the pressing rod 1 is provided with a limiting protrusion 12, and the limiting protrusion 12 is vertically contacted with the sealing ring 4 and the first spring 5 respectively; the lower part of the pressing rod 1 is transversely provided with a liquid guide hole 13.

Specifically, 2 upper portion outsides on the upper ring are equipped with second annular protrusion 21, and second annular protrusion 21 is the protruding structure of annular of cross-section semicircle, is equipped with first annular groove 31 on the pump case 3 upper portion internal face, and first annular groove 31 is the annular groove of cross-section semicircle, and second annular protrusion 21 cooperates in first annular groove 31.

Specifically, a first inner step 32 is arranged in the middle of the pump shell 3, and the inner diameter of the first inner step 32 is larger than the outer diameter of the plug rod 7 and smaller than the outer diameter of the sliding sleeve 6; a second inner step 33 is arranged at the middle lower part in the pump shell 3, and the inner diameter of the second inner step 33 is larger than the diameter of the ball 9 and smaller than the inner diameter of the second spring 8; an inner inclined step 34 is arranged at the inner lower part of the pump shell 3, the outer diameter above the inner inclined step 34 is larger than the diameter of the ball 9, and the outer diameter below the inner inclined step 34 is smaller than the diameter of the ball 9.

Specifically, a third annular groove 61 is arranged below the sliding sleeve 6, and the lower part of the sliding sleeve 6 is large in upper part and small in lower part.

Specifically, the upper portion of the plug rod 7 is provided with a blind hole, the upper portion of the plug rod 7 is matched with the pressing rod 1, the periphery of the upper portion of the plug rod 7 is provided with a limiting shoulder 71, and the limiting shoulder 71 is matched with a second spring 8.

The utility model discloses the working process:

the utility model relates to a pump core that spring is built-in explains in the course of the work, combines the figure.

The top of the pressing rod 1 is also embedded with an extrusion head, the lower part of the inner part of the pump shell 3 is embedded with a liquid guide pipe, the whole device is arranged in a cosmetic bottle for containing liquid cosmetics such as emulsion, and the pumping phenomenon is generated by continuously pressing the extrusion head, thereby pumping the emulsion. In the process of continuous pressing, the pressing rod 1 moves downwards to drive the sliding sleeve 6 and the plug rod 7 to move downwards, and when the sliding sleeve 6 moves to the first inner step 32, the sliding sleeve is limited, so that the liquid guide hole 13 on the pressing rod 1 is opened; in the process of moving upwards, the sliding sleeve 6 is driven to move upwards, the sliding sleeve 6 can be ensured to be tightly contacted with the inner wall surface of the pump shell 3, so that the ball 9 is sucked upwards, and the emulsion moves upwards; in the process, the emulsion enters through the liquid guide pipe, then passes through the ball 9, enters the pressing rod 1 through the liquid guide hole 13, and finally is extruded out of the extrusion head. The sealing ring 4 ensures that the inner ring of the upper ring 2 does not leak.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. A pump core with a built-in spring is characterized in that: comprises a pressing rod (1), an upper ring (2), a pump shell (3), a sealing ring (4), a first spring (5), a sliding sleeve (6), a plug rod (7), a second spring (8) and balls (9), wherein the top of the pump shell (3) is embedded with the upper ring (2), the middle part of the upper ring (2) penetrates through the pressing rod (1), the middle part of the pressing rod (1) is provided with a limiting protrusion (12), the pressing rod (1) is sleeved with the sealing ring (4), the first spring (5), the sliding sleeve (6) and the plug rod (7) from top to bottom, two ends of the sealing ring (4) are respectively contacted with the inner wall of the upper ring (2) and the upper surface of the limiting protrusion (12), two ends of the first spring (5) are respectively contacted with the lower surface of the limiting protrusion (12) and the upper part of the sliding sleeve (6), the plug rod (7) is sleeved with the second spring (8), two ends of the second spring (8) are respectively contacted with the plug rod (7) and the inner cavity of the pump shell (3), the inner cavity of the pump shell (3) below the second spring (8) is internally provided with a ball (9).

2. A spring-in pump cartridge as defined in claim 1, wherein: the periphery of the upper part of the pressing rod (1) is provided with a first annular bulge (11), the first annular bulge (11) is of an annular bulge structure with a semicircular section, and the upper part of the pressing rod (1) is embedded with an extrusion head; the periphery of the middle part of the pressing rod (1) is provided with a limiting protrusion (12), and the limiting protrusion (12) is vertically contacted with the sealing ring (4) and the first spring (5) respectively; the lower part of the pressing rod (1) is transversely provided with a liquid guide hole (13).

3. A spring-in pump cartridge as defined in claim 1, wherein: go up ring (2) upper portion outside and be equipped with second ring arch (21), second ring arch (21) are the annular protruding structure of cross-section semicircle, are equipped with first annular (31) on the inner wall surface of pump case (3) upper portion, and first annular (31) are the ring channel of cross-section semicircle, and second ring arch (21) cooperate in first annular (31).

4. A spring-in pump cartridge as defined in claim 1, wherein: a first inner step (32) is arranged in the middle of the inside of the pump shell (3), and the inner diameter of the first inner step (32) is larger than the outer diameter of the plug rod (7) and smaller than the outer diameter of the sliding sleeve (6); a second inner step (33) is arranged at the middle lower part in the pump shell (3), and the inner diameter of the second inner step (33) is larger than the diameter of the ball (9) and smaller than the inner diameter of the second spring (8); an inner inclined step (34) is arranged at the inner lower part of the pump shell (3), the outer diameter above the inner inclined step (34) is larger than the diameter of the ball (9), and the outer diameter below the inner inclined step (34) is smaller than the diameter of the ball (9).

5. A spring-in pump cartridge as defined in claim 1, wherein: a third annular groove (61) is arranged below the sliding sleeve (6), and the lower part of the sliding sleeve (6) is large in upper part and small in lower part.

6. A spring-in pump cartridge as defined in claim 1, wherein: the upper portion of the plug rod (7) is provided with a blind hole, the upper portion of the plug rod (7) is matched with the pressing rod (1), the periphery of the upper portion of the plug rod (7) is provided with a limiting shoulder (71), and the limiting shoulder (71) is matched with a second spring (8).