JP5598924B2 - Trigger type liquid ejector - Google Patents

Description

  The present invention relates to a trigger type liquid ejector.

  Various types of trigger type liquid ejectors have been proposed in which a trigger type pump is attached to a container body, and liquid in the container body is ejected from a nozzle by a trigger operation. (For example, see Patent Document 1)

  The trigger type liquid ejector described in Patent Document 1 projects the cylinder from the middle of the vertical cylinder and the injection cylinder from the upper end to the front, and covers the upper surface, the left and right sides, and the rear surface with a cover wall. A mounting cylinder that is screwed onto the outer surface of the container body neck at the lower end of the main body is suspended from the lower end of the main body, and a nozzle is fitted to the front end of the injection cylinder via a nozzle connecting member. Furthermore, a plunger biased forward by a coil spring is fitted into the cylinder, and the front end of the plunger is engaged with the upper rear surface of the trigger that swings from the front of the injection cylinder. A ball-shaped valve element that constitutes a suction valve is mounted in the vertical cylinder, and a discharge valve member with an elastic plate that constitutes the discharge valve is fitted therein. Then, when the plunger is retreated by the trigger operation, the liquid in the cylinder is ejected from the nozzle through the discharge valve and the injection cylinder, and when the plunger is advanced by opening the trigger, the liquid in the container passes through the suction pipe and the suction valve. Is configured to flow into the cylinder.

  The structure of the trigger type liquid ejector includes a mounting cylinder, a main body in which a vertical cylinder, a cylinder, an injection cylinder, and a cover wall are integrated, an interposition member that connects the main body and the mounting cylinder, a nozzle, a nozzle, and an injection cylinder. From a connecting member to be connected, a trigger, a coil spring that biases the trigger, a plunger, a ball-shaped valve body that forms a suction valve in a vertical cylinder, a valve member that forms a discharge valve, a suction pipe, and the like The number of members is large, and the complexity of assembling each member has room for improvement.

JP-A-10-249252

  The present invention has been made in view of the above points, and proposes a trigger type liquid ejector that has a structure that limits the number of members as much as possible, considers formability of each member, and is easy to assemble. .

The first means is configured as follows. That is, it includes a container body 2 and a trigger pump 3 that fits and attaches the mounting cap A to the mouth and neck portion 12 of the container body 2.
The trigger pump 3 is rotatable to the main body B in which the injection cylinder 64 protrudes forward from the upper part and the cylinder 30 projects from the lower part to the front, the nozzle E fitted to the tip of the injection cylinder 64, and the lower part of the main body B. A fitting cap A fitted to the mouth neck portion 12 of the container body 2, a trigger H that slidably swings from the front portion of the injection cylinder 64, and a cylinder 30 fitted in a forward biased state. A plunger F;
When the plunger F is moved backward by the trigger operation, the liquid in the cylinder 30 is ejected from the nozzle E through the discharge valve 55 and the injection cylinder 64, and when the plunger F is moved forward by opening the trigger, the liquid in the container body 2 is sucked into the pipe C. In the trigger type liquid ejector configured to flow into the cylinder 30 through the valve 53,
A first vertical flow path p1 extending from the inside of the container body 2 to the cylinder 30 via the pipe C and a second vertical flow path p2 extending from the cylinder 30 to the injection cylinder 64 are provided in the main body B. A suction valve 53 is formed between the first vertical flow path p1 and the cylinder 30 and a discharge valve 55 is formed between the cylinder 30 and the second vertical flow path by the valve member D fitted to the end. ,
A suction valve seat 33 is provided at the front end, and a cylindrical portion 32 that communicates the inside of the cylinder 30 and the vertical cylinder 28 is projected from the rear end of the cylinder 30, and a cylindrical discharge valve seat 36 is projected around the cylinder portion 32. In the valve member D, a suction valve body 52 supported by an elastic plate 51 and pressed against the suction valve seat 33 is stretched at the tip of the mounting cylinder portion 50 fitted to the outside of the cylinder portion 32, and the discharge valve seat 36. A skirt-like discharge valve body 54 that presses the rear edge on the inner periphery is configured to protrude from the outer periphery of the mounting cylinder 50,
A concave groove 43 for back suction that communicates between the inside of the cylinder 30 and the second vertical flow path p <b> 2 is provided on the inner surface of the discharge valve seat 36.

The second means is configured as follows. That is, in the first means , the main body B is composed of a lower member B1 having a cylinder 30 and an upper member B2 having an injection cylinder 64. The lower member B1 has a mounting cap A, a pipe C and a plunger. F, the nozzle E and the trigger H on the upper member B2, and the cover I that covers the upper surface, both side surfaces, and the rear surface of the main body B are mounted, and the tip of the plunger F is pivotally attached to the trigger H. The configuration is such that the swinging of the trigger H and the forward / backward movement of the plunger F are linked, and the trigger F is biased forward by a spring member G mounted separately, whereby the plunger F is biased forward.

The third means was configured as follows. That is, in the second means, the spring member G includes an attachment base 80 fitted on the injection cylinder 64 and a pair of spring plates 81 respectively suspended from both sides of the attachment base 80. The upper part of the trigger H is pivotally attached to the base 80, and the spring plate 81 and the trigger H are linked together to press and urge the trigger H forward.

The fourth means is configured as follows. That is, in the second means or the third means, the lower member B1 includes a base cylinder portion 25 in which the mounting cap A is rotatably fitted around, and a rear eccentric position in the base cylinder portion 25. The vertical cylinder 28 is supported by penetrating the top wall 27 of the base cylinder portion, and the pipe C is fitted to the lower part thereof, and the cylinder 30 projecting from the front part of the vertical cylinder 28. The upper member B2 includes: The injection cylinder is projected forward from the fitting cylinder 60 fitted to the upper end of the vertical cylinder 28, the nozzle E is fitted to the tip of the injection cylinder 64, and the upper and lower parts are blocked at a predetermined position in the vertical cylinder 28. A wall 34 is provided, and a lower portion thereof is configured as a first vertical flow path p1 extending from the inside of the container body 2 to the inside of the cylinder 30 through the pipe C, and an upper portion thereof is a second portion extending from the inside of the cylinder 30 to the injection cylinder 64. It was configured as a longitudinal channel p2.

  According to the present invention, the first vertical flow path p1 extending from the container body 2 to the cylinder 30 via the pipe C and the second vertical flow path p2 extending from the cylinder 30 to the injection cylinder 64 are formed in the main body B. The suction valve 53 is discharged between the first vertical flow path p1 and the cylinder 30 and discharged between the cylinder 30 and the second vertical flow path by the valve member D fitted to the rear end of the cylinder 30. Since each of the valves 55 is formed, the suction valve 53 and the discharge valve 55 can be formed by one valve member D, so that the moldability can be improved, the manufacturing cost can be reduced, and the assembling operation can be easily performed. There is.

  A suction valve seat 33 is provided at the front end, and a cylindrical portion 32 that communicates the inside of the cylinder 30 and the vertical cylinder 28 is projected from the rear end of the cylinder 30, and a cylindrical discharge valve seat 36 is projected around the cylinder portion 32. In the valve member D, a suction valve body 52 supported by an elastic plate 51 and pressed against the suction valve seat 33 is stretched at the tip of the mounting cylinder portion 50 fitted to the outside of the cylinder portion 32, and the discharge valve seat 36. When the skirt-like discharge valve body 54 that presses the rear end edge on the inner periphery protrudes from the outer periphery of the mounting cylinder 50, the valve member D can be easily fitted from the front of the cylinder 30. The assembly operation becomes simpler.

  When the back suction groove 43 for communicating between the inside of the cylinder 30 and the second vertical flow path p2 is provided on the inner surface of the discharge valve seat 36, the tip of the nozzle E when the trigger H is released after the trigger H is operated. Therefore, there is an advantage that inconveniences such as liquid dripping can be surely eliminated, and the structure for that purpose is extremely simple.

  The main body B is composed of a lower member B1 having a cylinder 30 and an upper member B2 having an injection cylinder 64. The lower member B1 has a mounting cap A, a pipe C, and a plunger F, and the upper member B2 has a nozzle E. And the trigger H, and the cover I that covers the upper surface, both side surfaces, and the rear surface of the main body B are attached to each other, the plunger F tip is pivotally attached to the trigger H, the trigger H swings, and the front and rear of the plunger F. When the plunger F is biased forward by linking the motion and biasing the trigger H forward by the spring member G mounted separately, the assembly operation is easy from the point that it is not necessary to use a fine coil spring. In addition, although the body B is separated and formed, for example, the conventional intervening members and connecting members can be deleted, so the number of members does not increase and each assembly is performed. There is an advantage that the operation becomes easier.

  The spring member G includes an attachment base 80 fitted on the injection cylinder 64 and a pair of spring plates 81 respectively suspended from both sides of the attachment base 80, and an upper portion of the trigger H is pivotally attached to the attachment base 80. At the same time, when the spring plate 81 and the trigger H are linked and the trigger H is pressed and urged forward, the structure is simple and easy to manufacture, and the assembly operation is further facilitated.

  The lower member B1 is supported by penetrating the base tube portion top wall 27 at the rear eccentric position in the base tube portion 25 and the base tube portion 25 having the mounting cap A rotatably fitted around the lower member B1. A vertical cylinder 28 having a pipe C fitted to the lower part thereof and a cylinder 30 projecting from the front part of the vertical cylinder 28 are provided, and the upper member B2 is forward of the fitting cylinder 60 fitted to the upper end part of the vertical cylinder 28. The injection cylinder protrudes, the nozzle E is fitted to the tip of the injection cylinder 64, and a blocking wall 34 is provided at a predetermined position in the vertical cylinder 28 to block the top and bottom. When the first vertical flow path p1 extending from the inside of the body 2 to the inside of the cylinder 30 is configured and the upper portion thereof is configured as the second vertical flow path p2 extending from the inside of the cylinder 30 to the injection cylinder 64, the complicated main bodies are respectively provided. Because it is easy to assemble and separate, it is easy to manufacture each member. See with it is easy.

It is a longitudinal cross-sectional view of a trigger type liquid ejector. ( Reference example ) It is a principal part longitudinal cross-sectional view of a valve member part. ( Reference example ) It is a front view of a valve member. ( Reference example ) It is principal part explanatory drawing of a trigger attachment part. ( Reference example ) It is a longitudinal cross-sectional view of a trigger type liquid ejector. ( Example 1 ) It is a longitudinal cross-sectional view explaining the connection state of the xx line part of FIG. ( Example 1 ) It is a principal part longitudinal cross-sectional view of a valve member mounting part. (Example 2 )

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 shows a reference example of the trigger type liquid ejector 1, and the trigger type liquid ejector 1 includes a container body 2 and a trigger type pump 3.

  The container body 2 can be of a bottle type in which the mouth and neck portion 12 is erected from the trunk portion 10 through the shoulder portion 11.

  The trigger pump 3 includes a mounting cap A, a main body B, a pipe C, a valve member D, a nozzle E, a plunger F, a spring member G, a trigger H, and a cover I.

  The mounting cap A is configured by extending a flange 21 inward from the upper end of the peripheral wall 20 to be screwed onto the outer periphery of the mouth neck portion 12 of the container body 2.

  The main body B includes a lower member B1 and an upper member B2.

  The lower member B1 is provided with a base tube portion 25 in which a mounting cap A is rotatably fitted on the outer periphery. The flange 21 of the mounting cap A is loosely fitted on the flange 26 projecting from the outer periphery of the base cylinder portion 25, and the mounting cap A is fitted so as to be rotatable. A top wall 27 is installed on the base tube portion 25, and the vertical tube 28 is supported through the rear eccentric position of the top wall 27.

  The upper end of the pipe C is fitted to the lower part of the vertical cylinder 28, and the lower end is suspended in the container body 2. In addition, a cylinder 30 protrudes from the top of the base tube portion 27 at the front portion of the vertical tube 28. The cylinder 30 and the base tube portion top wall 27 share a part. A through hole 31 that contributes to the introduction of outside air into the container body 2 is formed in the lower portion of the cylinder 30.

  Further, a cylindrical portion 32 protrudes from the rear end of the cylinder 30. As shown in FIG. 2, the cylindrical portion 32 has a suction valve seat 33 at the tip, and communicates the inside of the cylinder 30 and the vertical cylinder 28. A blocking wall 34 for blocking the upper and lower sides is provided at a predetermined position of the vertical cylinder 28, and the inside of the vertical cylinder 28 below the blocking wall 34 and the inside of the cylinder 30 are communicated with each other through the cylinder portion 32. Further, the inside of the cylinder 30 and the inside of the vertical cylinder 28 above the blocking wall 34 are communicated with each other through a through hole 35 formed in the vertical cylinder 28 above the cylinder portion 32 in the cylinder 30. A cylindrical discharge valve seat 36 projects from the outer peripheral position of the through hole 35 at the rear end of the cylinder 30.

  Further, the upper part of the vertical cylinder 28 protrudes upward from the cylinder 30, and a through hole 37 for communicating with the injection cylinder of the upper member B2 is formed at the upper front part thereof. Further, the rear portion of the vertical cylinder 28 is provided with a protrusion 40 that protrudes from a lower surface with a locking protrusion 38 that locks the cover I and a locking protrusion 39 that locks the upper member B2 on the upper surface. A support plate 41 that supports the injection cylinder 64 is erected on the upper portion of the cylinder 30.

  In the present invention, the valve member D having a special configuration is used, and a single valve member D constitutes a suction valve and a discharge valve. As shown in FIG. 2, the valve member D has a suction valve body 52 supported by an elastic plate 51 as shown in FIG. 3 stretched at the tip of a mounting cylinder part 50 fitted on the outer periphery of the cylinder part 32. The suction valve 53 is configured by pressing the body 52 against the suction valve seat 33 on the front surface of the cylindrical portion 32. In addition, a discharge valve body 54 that protrudes from the outer periphery of the mounting cylinder portion 50 and has a skirt shape extending rearward is protruded, and the rear end edge of the discharge valve body 54 is pressed against the inner periphery of the discharge valve seat 36. A discharge valve 55 is configured.

  The upper member B <b> 2 includes a fitting tube 60 with a top that is fitted to the outer periphery of the upper end of the vertical tube 28, and a seal tube 61 that is suspended from the top of the fitting tube 60 is fitted to the inner periphery of the upper end of the vertical tube 28. doing. The engaging protrusion 62 projecting from the rear lower end of the fitting cylinder 60 is engaged with the locking protrusion 39 of the lower member B1 to prevent the upper member B2 from coming out upward. A through-hole 63 for communicating with the inside of the injection cylinder 64 is formed in the front portion of the seal cylinder 61. Further, an injection cylinder 64 that protrudes forward from the front portion of the fitting cylinder 60 and that fits on the support plate 41 and protrudes forward is provided. A large-diameter fitting cylinder portion 65 is provided at the tip of the injection cylinder 64, and a central shaft portion 66 projects from the center of the fitting cylinder portion 65. Then, a first vertical flow path p1 extending from the inside of the container body 2 to the inside of the cylinder 30 via the pipe C is defined at the lower part of the blocking wall 34, and the injection cylinder 64 from the inside of the cylinder 30 to the upper part of the blocking wall 34. The second vertical flow path p2 is defined.

  A nozzle E is directly fitted on the tip of the injection cylinder 64. In the nozzle E, a front plate 72 having a jet port 71 is installed in a fitting tube 70 that is fitted to the outer periphery of the fitting tube portion 65 so as to be rotatable. The fitted cylinder part 73 is projected to communicate the inside of the cylinder part 73 and the inside of the injection cylinder 64, and the concave groove 74 that communicates with the concave groove 67 at the tip of the central shaft part 66 by rotating to the front part in the cylindrical part 73. The thick part provided with is provided. Then, by rotating the nozzle E to a position where the concave grooves communicate with each other, the liquid can be ejected, and the flow path is blocked at a position where the positions of the concave grooves are shifted from each other.

  The plunger F has a sliding portion 75 that slides on the inner periphery of the cylinder 30 protruding from the outer periphery of the main body portion 76 and a tip portion protruding from the cylinder 30 so that the inside of the cylinder 30 can be moved back and forth. Yes.

  The spring member G includes an attachment base 80 fitted on the injection cylinder 64 and a pair of spring plates 81 respectively suspended from both sides of the attachment base 80. The mounting base 80 extends from the both sides of the upper plate 80a on the injection cylinder 64 by a pair of side plates 80b that hang down on both sides of the injection cylinder 64, and fixes the upper part on both sides of the front portion of each side plate 80b. A pair of spring plates 81 that protrude and curve to the right are suspended. A locking projection 82 is suspended from the lower end of each spring plate 81. Further, bearings 83 for pivotally attaching the trigger H are respectively suspended from lower ends of the side plates 80b behind the spring plates 81.

  The trigger H connects the front part between the pair of side plate parts 85 with the front plate part 86, and the shaft 87 protruding from the upper part of the side plate part 85 is respectively attached to the bearing 83 so as to be swingable with respect to the main body B. Wearing. Each side plate 85 is provided with a widened portion 85a for locking the spring member G. The widened portion 85 a has a shape in which the widened portion 85 a extends outward, the lower surface is curved, and the upper surface and the rear surface are opened. The locking protrusion 82 of the spring member G is inserted into the wide portion 1. Further, a rotation shaft 88 projects from the inner surface of the side plate portion 85 of the trigger H, and each rotation shaft 88 is pivotally attached to a bearing recess 77 that is recessed on both sides of the front portion of the plunger F.

  Then, by pulling the trigger H, the plunger F moves rearward to pressurize the inside of the cylinder 30, and the spring member G is elastically deformed by the locking projection 82 coming into contact with the front surface of the widened portion 85a. When the pressure is released, the trigger H swings forward due to the elastic restoration of the spring member G, and the plunger F moves forward.

  The cover I covers both sides, the upper surface, and the rear surface of the main body B, and engages the engagement convex portion 90 provided on the top lower surface with the engagement concave portion 68 provided on the upper surface of the upper member B2, and the rear portion. The locking projections 38 on the lower side of the main body B are engaged with the engaging holes 91 formed on the lower side to be locked.

5 and 6 show an embodiment of the trigger type liquid ejector 1 of the present invention . In the example of FIG. 1, the form of the valve member D is different, and the lower member B1 and the upper member B2 are different from each other. The locking form is different.

  In this example, the cylinder part 32 in the lower member B1 is formed long forward, a fitting cylinder 42 is erected on the outer periphery of the cylinder part 32, and the cylinder 30 is integrally formed on the inner periphery of the rear end part of the cylinder 30. A discharge valve seat 36 is provided in a protruding manner. The valve member D has the mounting cylinder portion 50 fitted on the outer periphery of the fitting cylinder 42, and a spiral elastic plate 51 is extended forward from the top of the mounting cylinder portion 50. A suction valve body 52 that is in pressure contact with the suction valve seat 33 is connected, and the suction valve body 52 and the suction valve seat 33 constitute a suction valve 53. In addition, a discharge valve 55 is configured by projecting from the outer periphery of the mounting cylinder portion 50 and press-contacting a discharge valve body 54 having a skirt shape extending rearward to the inner periphery of the discharge valve seat 36. In this case, the discharge valve seat 36 is partially provided with a concave groove 43 that communicates with the inside and outside of the cylinder, and the concave groove 43 may penetrate the front and rear as shown in FIG. The presence of the concave groove 43 produces a back suction effect.

  Further, in this example, instead of the support plate 41 on the upper surface of the cylinder 30, a pair of support plates 69 are suspended from both sides of the rear portion of the injection cylinder 64, and the lower surfaces are brought into contact with and locked on both upper surfaces of the cylinder 30. In addition, a pair of locking plates 45 each having a through hole 44 are provided upright on the upper surface of the rear portion of the cylinder 30, and locking protrusions 97 having protrusions 96 on both sides are formed from the lower surface of the rear portion of the injection cylinder 64. The upper member B <b> 2 is prevented from coming out upward by hanging and fitting each projection 96 into each through hole 44. Further, instead of the engagement hole 91 of the cover I, an engagement protrusion 92 and an engagement protrusion 38 that are erected on the lower surface of the rear portion of the cover are engaged. The other configuration is substantially the same as the example of FIG.

  Each of the above members is mainly formed of a synthetic resin, and a metal or a flexible elastomer can be used in combination as required.

DESCRIPTION OF SYMBOLS 1: Trigger type liquid ejector 2: Container body 10 ... trunk | drum, 11 ... shoulder part, 12 ... mouth neck part 3: trigger type pump A: mounting cap 20 ... peripheral wall, 21 ... flange B: main body B1: lower member 25 ... Base tube part, 26 ... Flange, 27 ... Top wall, 28 ... Vertical tube, 30 ... Cylinder,
31 ... Through hole, 32 ... Cylinder part, 33 ... Suction valve seat, 34 ... Blocking wall, 35 ... Through hole,
36 ... Discharge valve seat, 37 ... Through hole, 38 ... Locking projection, 39 ... Locking projection, 40 ... Projection,
DESCRIPTION OF SYMBOLS 41 ... Support plate, 42 ... Fitting cylinder, 43 ... Groove, 44 ... Through-hole, 45 ... Locking plate B2: Upper member 60 ... Insertion cylinder, 61 ... Seal cylinder, 62 ... Engagement protrusion, 63 ... Through hole, 64 ... injection cylinder,
65 ... fitting cylinder part, 66 ... central shaft part, 67 ... concave groove, 68 ... engagement concave part, 69 ... support plate,
96 ... Projection, 97 ... Locking projection C: Pipe D: Valve member 50 ... Mounting cylinder, 51 ... Elastic plate, 52 ... Suction valve body, 53 ... Suction valve, 54 ... Discharge valve body, 55 ... Discharge valve E: Nozzle 70 ... fitting cylinder, 71 ... spout, 72 ... front plate, 73 ... cylinder part, 74 ... concave groove F: plunger 75 ... sliding part, 76 ... main body part, 77 ... bearing concave part G: spring member 80 ... Mounting base, 80a ... Upper plate, 80b ... Side plate, 81 ... Spring plate, 82 ... Locking projection,
DESCRIPTION OF SYMBOLS 83 ... Bearing H: Trigger 85 ... Side plate part, 85a ... Wide part, 86 ... Front plate part, 87 ... Shaft, 88 ... Rotating shaft I: Cover 90 ... Engagement convex part, 91 ... Engagement hole, 92 ... Engagement Joint protrusion p1: 1st vertical flow path p2: 2nd vertical flow path

Claims (4)

A container body (2), and a trigger-type pump (3) that fits and attaches the mounting cap (A) to the mouth and neck (12) of the container body (2),
The trigger type pump (3) includes a main body (B) in which an injection cylinder (64) is projected forward from the upper part and a cylinder (30) is projected forward from the lower part, and a nozzle fitted to the tip of the injection cylinder (64). (E), a mounting cap (A) rotatably mounted on the lower part of the main body (B) and fitted to the mouth-neck portion (12) of the container body (2), and the front of the injection tube (64) A trigger (H) that hangs down in a swingable manner, and a plunger (F) fitted to the cylinder (30) in a forward-biased state,
When the plunger (F) is retreated by the trigger operation, the liquid in the cylinder (30) is ejected from the nozzle (E) through the discharge valve (55) and the injection cylinder (64), and the plunger (F) is advanced by opening the trigger. In the trigger type liquid ejector configured so that the liquid in the container body (2) flows into the cylinder (30) through the pipe (C) and the suction valve (53),
A first vertical flow path (p1) extending from the inside of the container body (2) into the cylinder (30) through the pipe (C), and a second vertical flow path (from the cylinder (30) to the injection cylinder (64) ( p2) in the main body (B) and sucked between the first longitudinal flow path (p1) and the cylinder (30) by the valve member (D) fitted to the rear end of the cylinder (30). The valve (53) is formed with a discharge valve (55) between the cylinder (30) and the second vertical flow path,
The front end is used as a suction valve seat (33), and a cylindrical portion (32) communicating the inside of the cylinder (30) and the vertical cylinder (28) is projected from the rear end of the cylinder (30), and a cylinder is formed around the cylinder portion (32). The valve-like discharge valve seat (36) is projected, and the valve member (D) is supported by the elastic plate (51) at the tip of the mounting cylinder part (50) fitted outside the cylinder part (32). A suction valve body (52) that is in pressure contact with the suction valve seat (33) is stretched, and a skirt-like discharge valve body (54) that is in pressure contact with the rear end edge on the inner periphery of the discharge valve seat (36) is mounted. ) Projected from the outer periphery,
A trigger type liquid ejector in which a concave groove (43) for back suction communicating between the inside of the cylinder (30) and the second longitudinal flow path (p2) is provided on the inner surface of the discharge valve seat (36) . The main body (B) is composed of a lower member (B1) having a cylinder (30) and an upper member (B2) having an injection cylinder (64), and a mounting cap (A) is attached to the lower member (B1). Pipe (C) and plunger (F), nozzle (E) and trigger (H) on upper member (B2), and cover (I) covering the upper surface, both side surfaces and rear surface of main body (B). The plunger (F) tip is pivotally attached to the trigger (H) to link the swing of the trigger (H) and the forward / backward movement of the plunger (F). The trigger type liquid ejector according to claim 1, wherein the trigger (H) is configured to urge the plunger (F) forward by urging the trigger (H) forward. The spring member (G) includes an attachment base (80) fitted on the injection cylinder (64) and a pair of spring plates (81) respectively suspended from both sides of the attachment base (80). thereby pivotally the upper trigger (H) to (80), spring plate (81) and trigger (H) and the by association trigger (H) of claim 2 which is pressed and urged forward Trigger type liquid ejector. The lower member (B1) includes a base tube portion (25) in which a mounting cap (A) is rotatably fitted around and a base tube portion top wall (27) at a rear eccentric position in the base tube portion (25). ) And a cylinder (30) projecting at the front of the vertical cylinder (28), and an upper member ( B2) is configured by projecting an injection cylinder forward from the fitting cylinder (60) fitted to the upper end of the vertical cylinder (28), and fitting the nozzle (E) at the tip of the injection cylinder (64), A blocking wall (34) for blocking the upper and lower sides is provided at a predetermined position in the vertical cylinder (28), and a lower portion of the first vertical wall extends from the container body (2) to the cylinder (30) via the pipe (C). configured as flow path (p1), the upper cylinder (30) according to claim 2 or constructed as a second vertical flow pass through to the injection tube (64) (p2) than the Trigger type liquid sprayer according to Motomeko 3.